The universal quantification of a propositional function is true if and only if ……...
A)at least one substitution instance is true
B)all of it's substitution instances are false
C)all of it's substitution instances are true
D)it has both true and false substitution instances

Question

Quizplus · Accepted Answer

Universal quantification is true if and only if all of its substitution instances are true. This means for a statement to be universally quantified as true, it must hold true under every possible circumstance or instance that it can be applied to.

The Universal Quantification of a Propositional Function Is True If