Related articles:
Negation
Contradiction
Tautology (rhetoric)
First-order logic
Table of logic symbols
Truth table
Boolean satisfiability problem
Key terms:
logic
lnot
lor
tautology
true
truth
formula
propositional
valuation
rx
sentence
sx
tx
exists
lnot b
false
assign
implies
kleene
forall
column
truth table
land b
propositional logic
satisfiability
analytic
propositional variables
valid
lor d
verifying
negation
any valuation
deductive
algorithm
falsity
truth value
reprinted
wittgenstein
contradiction
leftrightarrow
normal form
substitution
propositional formula
principle know
mathematical logic
determining whether
boolean satisfiability problem
any valuation that makes
each propositional variable
tautology of propositional logic
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