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/\ (and)
only true when both sides are true
\/ (or)
only true when at least one side is true
→ (if…then)
only true is the first side is false (F→?)
←> (if and only if)
only true when both sides match
T (/\, \/, →, ←→) T
Always true
Converse
p —> q = q —> p (FLIP)
inverse
p —> q = ~p —> ~q (NEGATE)
De Morgan’s Law
NEGATE FLIP NEGATE
Contrapositve
FLIP AND NEGATE
Negation of a Conditional Statement
NEGATE CHANGE LEAVE