Big Ideas Math Geometry, 2014
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Big Ideas Math Geometry, 2014 View details
1. Conditional Statements
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Exercise 40 Page 72

A conditional statement is only false when a true hypothesis produces a false conclusion.

~ q p ~ q→ p
F T T
T T T
F F T
T F F
Practice makes perfect

Let's remind ourselves of the truth table of a conditional statement.

p q p→ q
T T T
T F F
F T T
F F T

To create our truth table for ~ q→ p, we first have to negate q. The truth value of a negation is the opposite of the truth value of the original statement.

q ~ q
T F
F T
T F
F T

Note that a conditional statement is only false when a true hypothesis produces a false conclusion. With this information, we can complete the table.

~ q p ~ q→ p
F T T
T T T
F F T
T F F