Add truthtable processor

This commit is contained in:
Oystein Kristoffer Tveit 2021-05-10 19:32:53 +02:00
parent 87fc73ca50
commit 9358971583
5 changed files with 123 additions and 2 deletions

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@ -5,5 +5,6 @@ default: python
pdflatex main.tex
python:
python python/Hasse.py graphics/src/example1.txt graphics/example1.tex
python python/FSA.py graphics/src/example2.txt graphics/example2.tex
python python/Hasse.py graphics/src/example1.txt graphics/example1.tex
python python/FSA.py graphics/src/example2.txt graphics/example2.tex
python python/Truthtable.py graphics/src/example3.txt graphics/example3.tex

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@ -0,0 +1,14 @@
\begin{truthtable}
{c|c|c|c|c|e|c}
{$p$ & $q$ & $s$ & $p \wedge q$ & $p \Rightarrow q$ & $ p \Leftrightarrow q$ & $p \Leftrightarrow (q \wedge s)$}
\T & \T & \T & \T & \T & \T & \T
\T & \T & \F & \T & \T & \T & \F
\T & \F & \T & \F & \F & \F & \F
\T & \F & \F & \F & \F & \F & \F
\F & \T & \T & \F & \T & \F & \F
\F & \T & \F & \F & \T & \F & \T
\F & \F & \T & \F & \T & \T & \T
\F & \F & \F & \F & \T & \T & \T
\end{truthtable}

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p, q, s, p and q, p implies q, E p iff q, p iff (q and s)

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from sys import argv
from pathlib import Path
def parseExpressionList(inputData):
return [e.strip() for e in inputData.split(',')]
class OverloadedBool:
"""Overloads the bool in order to make Implies and Iff functions"""
def __init__(self, val):
self.val = val
def __bool__(self):
return self.val
def __str__(self):
return str(self.val)
def __add__(self, bool2):
""" Implies """
return (not self.val or bool2)
def __sub__(self, bool2):
""" Iff """
return (not self.val or bool2) and (not bool2 or self.val)
def flattenImpliesIff(exps):
return [exp.replace('implies', '+').replace('iff', '-').replace('E', '') for exp in exps]
def generateTruthTable(exps):
exps = flattenImpliesIff(exps)
boolvars = [e for e in exps if len(e) == 1]
truthtable = []
for x in reversed(range(2 ** len(boolvars))):
for i,digit in enumerate('{0:b}'.format(x).zfill(len(boolvars))):
exec(f'{boolvars[i]} = OverloadedBool({digit == "1"})', globals())
def calculateGridLine():
line = []
for exp in exps:
exec(f'line.append(({exp}).__bool__())')
return line
truthtable.append(calculateGridLine())
return truthtable
def latexify(exps, truthtable):
latex_expressions = \
[ (
'E' in exp,
exp
.replace('not', '\\neg')
.replace('and', '\\wedge')
.replace('or', '\\vee')
.replace('implies', '\\Rightarrow')
.replace('iff', '\\Leftrightarrow')
.replace('E', ''
.strip())
)
for exp in exps]
return \
"""
\\begin{{truthtable}}
{{{}}}
{{{}}}
{}
\\end{{truthtable}}
""".format(
'|'.join('e' if e else 'c' for e,_ in latex_expressions),
' & '.join(f'${exp}$' for _,exp in latex_expressions),
'\n'.join(' ' + ' & '.join('\\T' if b else '\\F' for b in line) for line in truthtable)
)
def printTruthtable(exps, truthtable):
stringTable = [ ['\033[32mT\033[0m ' if b else '\033[31mF\033[0m' for b in line] for line in truthtable]
print(tabulate(stringTable, headers=exps))
if __name__ == '__main__':
filename = argv[1]
with open(filename) as file:
exps = parseExpressionList(file.read())
truthtable = generateTruthTable(exps)
try:
from tabulate import tabulate
printTruthtable(exps, generateTruthTable(exps))
except:
print('Couldn\'t find tabulate. Do you have it installed?')
content = latexify(exps, truthtable)
with open(str(Path(__file__).parent.absolute()) + '/tex_templates/Truthtable.tex') as template:
with open(argv[2], 'w') as destination_file:
destination_file.write(template.read().replace('%CONTENT', content))

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%CONTENT