TRUTH TABLES. MEMORIZE THEM
Operators
• Most often takes the form
“…and…” in English sentences. The
compound sentence it forms is called
a conjunction. Its components are
called conjuncts.
v Most often takes the form
“…or…” in English sentences. The
compound sentence it forms is called
a disjunction. Its components are
called disjuncts.
… Most often takes the form
“if…then…” in English sentences.
The compound sentence it forms is
called a conditional. The sentence in
the first blank is called the
antecedent. The sentence in the
second blank is called the consequent.
≡ Most often takes the form “…if
and only if…” in English sentences.
The compound sentence it forms is
called a biconditional.
~ Most often takes the form “not…”
in English sentences. The compound
sentence it forms is called a negation.
Tables
p
q
p • q
T
T
T
T
F
F
F
T
F
F
F
F
p
q
p v q
T
T
T
T
F
T
F
T
T
F
F
F
p
q
p … q
T
T
T
T
F
F
F
T
T
F
F
T
p
q
p ≡ q
T
T
T
T
F
F
F
T
F
F
F
T
p
~p
T
F
F
T
