Showing that the premises "Everyone who took the exam online passed the exam," and "Isaiah took the exam online" imply the conclusion "Isaiah passed the exam", uses which of the following: O Universal...

complete solution/explanation

Extracted text: Showing that the premises "Everyone who took the exam online passed the exam," and "Isaiah took the exam online" imply the conclusion "Isaiah passed the exam", uses which of the following: O Universal instantiation O Existential instantiation O Existential generalization O Universal generalization