Enter Logic Expression


How does the Truth Tables Calculator work?
Free Truth Tables Calculator - Sets up a truth table based on a logical statement of 1, 2 or 3 letters with statements such as propositions, equivalence, conjunction, disjunction, negation. Includes modus ponens.
This calculator has 1 input.

What 2 formulas are used for the Truth Tables Calculator?

!(!p) = p
P v Q is true if P is true or Q is true

For more math formulas, check out our Formula Dossier
What 8 concepts are covered in the Truth Tables Calculator?
a word used to connect clauses or sentences or to coordinate words in the same clause
a binary connective classically interpreted as a truth function the output of which is true if at least one of the input sentences (disjuncts) is true, and false otherwise
the state or property of being equivalent.
modus ponens
If conditional statement if p then q
p --> q
modus tollens
If conditional statement if not p then not q
!p --> !q
reverses the truth value of a given statement.
a declarative sentence that is either true or false (but not both)
truth table
a table that shows how the truth or falsity of a compound statement depends on the truth or falsity of the simple statements from which it is constructed.
Example calculations for the Truth Tables Calculator

Truth Tables Calculator Video

Truth Tables Calculator Video