The (Ultimate) Geometry Review Sheet Page 3

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TOPIC: LOGIC
PRACTICE
1. Introduction to Logic
Mathematical Sentences
 Nonmathematical Sentences
 Open Sentences (identify variable)
 Closed Sentences
2.
Negation
 Symbol: ~
3.
Conjunctions (And)
 Symbol: 
 Truth Table:
p  q
p
q
T
T
T
T
F
F
F
T
F
F
F
F
4.
Disjunctions (Or)
 Symbol: 
 Truth Table:
p  q
p
q
T
T
T
T
F
T
F
T
T
F
F
F
Conditionals (If…, then…)
5.
 Symbol: 
 Truth Table:
p  q
p
q
T
T
T
T
F
F
F
T
T
F
F
T

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