https://apm.bplaced.net/w/index.php?action=history&feed=atom&title=Formal_system 2026-04-20T21:08:54Z Revision history for this page on the wiki MediaWiki 1.43.0 https://apm.bplaced.net/w/index.php?title=Formal_system&diff=12084&oldid=prev 2021-09-26T08:50:22Z

<p>formatting for better readability</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:50, 26 September 2021</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3">Line 3:</td> <td colspan="2" class="diff-lineno">Line 3:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== External links ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== External links ==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* Experiencing systems as a puzzle game - very good! http://incredible.pm/</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* Experiencing <ins style="font-weight: bold; text-decoration: none;">formal </ins>systems as a puzzle game - very good! <ins style="font-weight: bold; text-decoration: none;">&lt;br&gt; '''The Incredible Proof Machine </ins>http://incredible.pm/<ins style="font-weight: bold; text-decoration: none;">'''</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Wikipedia ===</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Wikipedia ===</div></td></tr> </table>

Apm https://apm.bplaced.net/w/index.php?title=Formal_system&diff=12077&oldid=prev 2021-09-26T08:38:50Z

<p>added <a href="/w/index.php?title=Category:Programming" title="Category:Programming">Category:Programming</a></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 10:38, 26 September 2021</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l25">Line 25:</td> <td colspan="2" class="diff-lineno">Line 25:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Information]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:Information]]</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Programming]]</ins></div></td></tr> </table>

Apm https://apm.bplaced.net/w/index.php?title=Formal_system&diff=6039&oldid=prev 2017-07-16T09:43:01Z

<p><span class="autocomment">External links: </span> dependent types</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:43, 16 July 2017</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l17">Line 17:</td> <td colspan="2" class="diff-lineno">Line 17:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Lambda_calculus Untyped_lambda_calculus], [https://en.wikipedia.org/wiki/Simply_typed_lambda_calculus Simply_typed_lambda_calculus], [https://en.wikipedia.org/wiki/Typed_lambda_calculus Typed_lambda_calculus], [https://en.wikipedia.org/wiki/System_F System_F]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Lambda_calculus Untyped_lambda_calculus], [https://en.wikipedia.org/wiki/Simply_typed_lambda_calculus Simply_typed_lambda_calculus], [https://en.wikipedia.org/wiki/Typed_lambda_calculus Typed_lambda_calculus], [https://en.wikipedia.org/wiki/System_F System_F]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Evaluation_strategy Evaluation_strategy], [https://en.wikipedia.org/wiki/De_Bruijn_index De_Bruijn_index] (or better [https://pchiusano.github.io/2014-06-20/simple-debruijn-alternative.html alternative])</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Evaluation_strategy Evaluation_strategy], [https://en.wikipedia.org/wiki/De_Bruijn_index De_Bruijn_index] (or better [https://pchiusano.github.io/2014-06-20/simple-debruijn-alternative.html alternative])</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Lambda_cube Lambda_cube]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Lambda_cube Lambda_cube<ins style="font-weight: bold; text-decoration: none;">], [https://en.wikipedia.org/wiki/Dependent_type Dependent_type</ins>]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Foundations_of_mathematics Foundations_of_mathematics], [https://en.wikipedia.org/wiki/Category_theory Category_theory], [https://en.wikipedia.org/wiki/Corecursion Corecursion]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Foundations_of_mathematics Foundations_of_mathematics], [https://en.wikipedia.org/wiki/Category_theory Category_theory], [https://en.wikipedia.org/wiki/Corecursion Corecursion]</div></td></tr> </table>

Apm https://apm.bplaced.net/w/index.php?title=Formal_system&diff=6038&oldid=prev 2017-07-16T09:36:59Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:36, 16 July 2017</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{stub}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{stub}}</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* basic (untyped) lambda calculus</del></div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* boolean logic</del></div></td><td colspan="2" class="diff-side-added"></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== External links ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== External links ==</div></td></tr> </table>

Apm https://apm.bplaced.net/w/index.php?title=Formal_system&diff=6037&oldid=prev 2017-07-16T09:36:43Z

<p><span class="autocomment">Wikipedia: </span> more links</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:36, 16 July 2017</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l11">Line 11:</td> <td colspan="2" class="diff-lineno">Line 11:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Formal_system Formal_system], [https://en.wikipedia.org/wiki/Formal_language Formal_language], [https://en.wikipedia.org/wiki/Formal_grammar Formal_grammar] ([https://en.wikipedia.org/wiki/Abstract_syntax_tree Abstract_syntax_tree], [https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form Backus–Naur_form])</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Formal_system Formal_system], [https://en.wikipedia.org/wiki/Formal_language Formal_language], [https://en.wikipedia.org/wiki/Formal_grammar Formal_grammar] ([https://en.wikipedia.org/wiki/Abstract_syntax_tree Abstract_syntax_tree], [https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form Backus–Naur_form])</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Rewriting Rewriting] and [https://en.wikipedia.org/wiki/Substitution_(logic) Substitution]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Rewriting Rewriting] and [https://en.wikipedia.org/wiki/Substitution_(logic) Substitution<ins style="font-weight: bold; text-decoration: none;">], [https://en.wikipedia.org/wiki/Explicit_substitution Explicit_substitution</ins>]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Chomsky_hierarchy Chomsky_hierarchy]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Chomsky_hierarchy Chomsky_hierarchy]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Boolean_algebra Boolean_algebra] ([https://en.wikipedia.org/wiki/De_Morgan%27s_laws De Morgan's laws])</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Boolean_algebra Boolean_algebra] ([https://en.wikipedia.org/wiki/De_Morgan%27s_laws De Morgan's laws<ins style="font-weight: bold; text-decoration: none;">], [https://en.wikipedia.org/wiki/Karnaugh_map Karnaugh_map</ins>])</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Propositional_calculus Propositional_calculus], [https://en.wikipedia.org/wiki/Second-order_propositional_logic Second-order_propositional_logic] ([https://en.wikipedia.org/wiki/Second-order_logic Second-order_logic]), [https://en.wikipedia.org/wiki/Higher-order_logic Higher-order_logic]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Propositional_calculus Propositional_calculus], [https://en.wikipedia.org/wiki/Second-order_propositional_logic Second-order_propositional_logic] ([https://en.wikipedia.org/wiki/Second-order_logic Second-order_logic]), [https://en.wikipedia.org/wiki/Higher-order_logic Higher-order_logic]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Intuitionistic_logic Intuitionistic_logic], [https://en.wikipedia.org/wiki/Intuitionistic_type_theory Intuitionistic_type_theory], [https://en.wikipedia.org/wiki/Curry%E2%80%93Howard_correspondence Curry–Howard_correspondence]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Intuitionistic_logic Intuitionistic_logic], [https://en.wikipedia.org/wiki/Intuitionistic_type_theory Intuitionistic_type_theory], [https://en.wikipedia.org/wiki/Curry%E2%80%93Howard_correspondence Curry–Howard_correspondence]</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Lambda_calculus <del style="font-weight: bold; text-decoration: none;">Lambda_calculus</del>], [https://en.wikipedia.org/wiki/Simply_typed_lambda_calculus Simply_typed_lambda_calculus], [https://en.wikipedia.org/wiki/Typed_lambda_calculus Typed_lambda_calculus]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Lambda_calculus <ins style="font-weight: bold; text-decoration: none;">Untyped_lambda_calculus</ins>], [https://en.wikipedia.org/wiki/Simply_typed_lambda_calculus Simply_typed_lambda_calculus], [https://en.wikipedia.org/wiki/Typed_lambda_calculus Typed_lambda_calculus<ins style="font-weight: bold; text-decoration: none;">], [https://en.wikipedia.org/wiki/System_F System_F</ins>]</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Evaluation_strategy Evaluation_strategy]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Evaluation_strategy Evaluation_strategy<ins style="font-weight: bold; text-decoration: none;">], [https://en.wikipedia.org/wiki/De_Bruijn_index De_Bruijn_index] (or better [https://pchiusano.github.io/2014-06-20/simple-debruijn-alternative.html alternative])</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* [https://en.wikipedia.org/wiki/Lambda_cube Lambda_cube</ins>]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Foundations_of_mathematics Foundations_of_mathematics], [https://en.wikipedia.org/wiki/Category_theory Category_theory]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Foundations_of_mathematics Foundations_of_mathematics], [https://en.wikipedia.org/wiki/Category_theory Category_theory<ins style="font-weight: bold; text-decoration: none;">], [https://en.wikipedia.org/wiki/Corecursion Corecursion</ins>]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Categorical_logic Categorical_logic] [https://en.wikipedia.org/wiki/Cartesian_closed_category Bicartesian_closed_category] (Homotopy type theory, Lawvere theories)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [https://en.wikipedia.org/wiki/Categorical_logic Categorical_logic] [https://en.wikipedia.org/wiki/Cartesian_closed_category Bicartesian_closed_category] (Homotopy type theory, Lawvere theories)</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> </table>

Apm https://apm.bplaced.net/w/index.php?title=Formal_system&diff=6036&oldid=prev 2017-07-16T09:14:19Z

<p>loads of Wikipedia links - roughly grouped</p> <p><b>New page</b></p><div>{{stub}}<br /> <br /> * basic (untyped) lambda calculus<br /> * boolean logic<br /> <br /> == External links ==<br /> <br /> * Experiencing systems as a puzzle game - very good! http://incredible.pm/<br /> <br /> === Wikipedia ===<br /> <br /> * [https://en.wikipedia.org/wiki/Formal_system Formal_system], [https://en.wikipedia.org/wiki/Formal_language Formal_language], [https://en.wikipedia.org/wiki/Formal_grammar Formal_grammar] ([https://en.wikipedia.org/wiki/Abstract_syntax_tree Abstract_syntax_tree], [https://en.wikipedia.org/wiki/Backus%E2%80%93Naur_form Backus–Naur_form])<br /> * [https://en.wikipedia.org/wiki/Rewriting Rewriting] and [https://en.wikipedia.org/wiki/Substitution_(logic) Substitution]<br /> * [https://en.wikipedia.org/wiki/Chomsky_hierarchy Chomsky_hierarchy]<br /> ----<br /> * [https://en.wikipedia.org/wiki/Boolean_algebra Boolean_algebra] ([https://en.wikipedia.org/wiki/De_Morgan%27s_laws De Morgan&#039;s laws])<br /> * [https://en.wikipedia.org/wiki/Propositional_calculus Propositional_calculus], [https://en.wikipedia.org/wiki/Second-order_propositional_logic Second-order_propositional_logic] ([https://en.wikipedia.org/wiki/Second-order_logic Second-order_logic]), [https://en.wikipedia.org/wiki/Higher-order_logic Higher-order_logic]<br /> ----<br /> * [https://en.wikipedia.org/wiki/Intuitionistic_logic Intuitionistic_logic], [https://en.wikipedia.org/wiki/Intuitionistic_type_theory Intuitionistic_type_theory], [https://en.wikipedia.org/wiki/Curry%E2%80%93Howard_correspondence Curry–Howard_correspondence]<br /> * [https://en.wikipedia.org/wiki/Lambda_calculus Lambda_calculus], [https://en.wikipedia.org/wiki/Simply_typed_lambda_calculus Simply_typed_lambda_calculus], [https://en.wikipedia.org/wiki/Typed_lambda_calculus Typed_lambda_calculus]<br /> * [https://en.wikipedia.org/wiki/Evaluation_strategy Evaluation_strategy]<br /> ----<br /> * [https://en.wikipedia.org/wiki/Foundations_of_mathematics Foundations_of_mathematics], [https://en.wikipedia.org/wiki/Category_theory Category_theory]<br /> * [https://en.wikipedia.org/wiki/Categorical_logic Categorical_logic] [https://en.wikipedia.org/wiki/Cartesian_closed_category Bicartesian_closed_category] (Homotopy type theory, Lawvere theories)<br /> ----<br /> * [https://en.wikipedia.org/wiki/Calculus_of_constructions Calculus_of_constructions], [https://en.wikipedia.org/wiki/Formal_verification Formal_verification], [https://en.wikipedia.org/wiki/Automated_theorem_proving Automated_theorem_proving], [https://en.wikipedia.org/wiki/Symbolic_computation Symbolic_computation], [https://en.wikipedia.org/wiki/Computer_algebra_system Computer_algebra_system]<br /> <br /> [[Category:Information]]</div>

Apm