WGU D420 Discrete Math Logic ACTUAL EXAM
STUDY GUIDE 2025/2026 ACCURATE QUESTIONS
AND VERIFIED CORRECT SOLUTIONS WITH
RATIONALES || 100% GUARANTEED PASS <LATEST
VERSION>
is a declarative sentence that is either true or false, but not both. - ANSWER
Proposition
the area of logic that deals with propositions - ANSWER Propositional Logic
variables that represent propositions (what letters? (4) ) - ANSWER Propositional
Variables (p, q, r, s)
Is a unitary operator since it transforms one proposition to another - ANSWER
Negation (¬ / ~)
are used to form new propositions from two or more existing propositions. AKA?
- ANSWER Logical Operators / Connectives
produces a value of true if and only if both of its operands are true. - ANSWER
Conjunction
, connection of terms in a proposition to express the concept “or” - ANSWER
Disjunction
The disjunction is true when at least one of the two propositions is true -
ANSWER Inclusive OR
The disjunction is true only when one of the proposition is true. (may “but not
both”) - ANSWER Exclusive OR
relationship between two propositions in which the second is a
logical consequence of the first - ANSWER Implication (→)
In p → q, p is called the? - ANSWER
Hypothesis/Antecedent/Premise
In p → q, q is called the ? - ANSWER Conclusion/Consequence
p → q : q → p - ANSWER Converse
p → q : ¬ q → ¬ p - ANSWER Contrapositive
STUDY GUIDE 2025/2026 ACCURATE QUESTIONS
AND VERIFIED CORRECT SOLUTIONS WITH
RATIONALES || 100% GUARANTEED PASS <LATEST
VERSION>
is a declarative sentence that is either true or false, but not both. - ANSWER
Proposition
the area of logic that deals with propositions - ANSWER Propositional Logic
variables that represent propositions (what letters? (4) ) - ANSWER Propositional
Variables (p, q, r, s)
Is a unitary operator since it transforms one proposition to another - ANSWER
Negation (¬ / ~)
are used to form new propositions from two or more existing propositions. AKA?
- ANSWER Logical Operators / Connectives
produces a value of true if and only if both of its operands are true. - ANSWER
Conjunction
, connection of terms in a proposition to express the concept “or” - ANSWER
Disjunction
The disjunction is true when at least one of the two propositions is true -
ANSWER Inclusive OR
The disjunction is true only when one of the proposition is true. (may “but not
both”) - ANSWER Exclusive OR
relationship between two propositions in which the second is a
logical consequence of the first - ANSWER Implication (→)
In p → q, p is called the? - ANSWER
Hypothesis/Antecedent/Premise
In p → q, q is called the ? - ANSWER Conclusion/Consequence
p → q : q → p - ANSWER Converse
p → q : ¬ q → ¬ p - ANSWER Contrapositive
