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TTruth table

Enter one or more propositional-logic statements and compare them in a single truth table, sharing a column for every variable. Matching columns are flagged as equivalent. It runs entirely in your browser.

1
2
notandor-><=>

1 ≡ 2equivalent

PQ1¬(P ∧ Q)3/4 true2¬P ∨ ¬Q3/4 true
TTFF
TFTT
FTTT
FFTT