Fix bug in classical tableaux biconditional negation rule

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.10.1] - 2024-03-23
+### Fixed
+- Bug in the biconditional rule of classical tableaux system
+
 ## [1.10.0] - 2024-02-29
 ### Added
 - Model finder for classical model theory w/documentation and tests

docs/source/conf.py

@@ -22,7 +22,7 @@
 author = 'Ariel Jonathan Roffe'
 
 # The full version, including alpha/beta/rc tags
-release = '1.10.0'
+release = '1.10.1'
 
 
 # -- General configuration ---------------------------------------------------

logics/instances/propositional/tableaux.py

@@ -84,16 +84,16 @@
 '''
 
 classical_neg_biconditional_rule = TableauxNode(content=Formula(['~', ['↔', ['A'], ['B']]]))
-cnbr2 = TableauxNode(content=Formula(['~', ['A']]), justification='R↔', parent=classical_neg_biconditional_rule)
-TableauxNode(content=Formula(['B']), justification='R↔', parent=cnbr2)
-cnbr3 = TableauxNode(content=Formula(['A']), justification='R↔', parent=classical_neg_biconditional_rule)
-TableauxNode(content=Formula(['~', ['B']]), justification='R↔', parent=cnbr3)
+cnbr2 = TableauxNode(content=Formula(['~', ['A']]), justification='R~↔', parent=classical_neg_biconditional_rule)
+TableauxNode(content=Formula(['B']), justification='R~↔', parent=cnbr2)
+cnbr3 = TableauxNode(content=Formula(['A']), justification='R~↔', parent=classical_neg_biconditional_rule)
+TableauxNode(content=Formula(['~', ['B']]), justification='R~↔', parent=cnbr3)
 '''
 ['~', ['↔', ['A'], ['B']]]
-├── ['~', ['A']] (R↔)
-│   └── ['B'] (R↔)
-└── ['A'] (R↔)
-    └── ['~', ['B']] (R↔)
+├── ['~', ['A']] (R~↔)
+│   └── ['B'] (R~↔)
+└── ['A'] (R~↔)
+    └── ['~', ['B']] (R~↔)
 '''
 
 classical_tableaux_rules = {

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = logics
-version = 1.10.0
+version = 1.10.1
 author = Ariel Jonathan Roffé
 author_email = arielroffe@filo.uba.ar
 url = https://github.com/ariroffe/logics