M4: Propositional Logic: Truth Value

Question 1

concerns the proper structure an argument alone

Answer 1

validity

Question 2

truthfulness of the propositions found within the argument

Answer 2

soundness

Question 3

Three Laws of Thought in Logic

Answer 3

1. Principle of identity
2. Principle of non-contradiction
3. Principle of excluded middle

Question 4

in n! n is

Answer 4

the number of atomic propositions

Question 5

biconditionals aka

Answer 5

equivocation

Question 6

The whole proposition will be t if all conjunct are T (or the whole proposition will be F if at least one conjunct is F)

Answer 6

Conjunction

Question 7

The whole proposition will be F if all disjuncts are F (or the whole proposition will be T if at least one disjunct is T).

Answer 7

Disjunction

Question 8

(the whole proposition will be T if at most one disjunct is true). exclusive/inclusive

Answer 8

exclusive disjunction

Question 9

The whole proposition will be F if the antecedent is T while the consequent is F.

Answer 9

conditional

Question 10

whole proposition will be T if all atomic propositions carry a similar truth-value.

Answer 10

biconditional

Question 11

compound/complex proposition is a _____ if all resulting final values are T

Answer 11

Tautology

Question 12

A compound/complex proposition is ______ if its final value is a mixture of T’s and F’s.

Answer 12

Contingent

Question 13

compound/complex proposition is a ______ if all resulting final values are F.

Answer 13

Contradiction

Question 14

requires verification of each atomic proposition because final truth-value is unknown

Answer 14

Contingent

Question 15

3 classification of proposition

Answer 15

tautology, contingent, contradiction