7.3 Vocab

Question 1

Tautology

Answer 1

If it true on every assignment of truth values to its atomic components

Question 2

Contradiction

Answer 2

If it false on every assignment of truth values to its atomic components

Question 3

Contigent

Answer 3

If it is true on some assignments of truth values to its atomic components and false on others

Question 4

Logically equivalent

Answer 4

For two statements only if they agree in truth value on every assignment of truth values to their atomic components

Question 5

Logically contradictory

Answer 5

Two statements if they disagree in truth value on every assignment of truth values to their atomic components

Question 6

Logically consistent

Answer 6

Two or more statements if they are both/all true on some assignment of truth values to their atomic components

Question 7

Logically inconsistent

Answer 7

If they are never both truth on any assignment of truth values to their atomic statements