Menu

Identify The Error Or Errors In This Argument That Supposedly Shows That If ∃XP(X)∧ ∃XQ(X) Is True Then ∃X(P(X)∧Q(X)) Is True

student submitted image, transcription available below

 

Expert Answer

Step 1

Error:

Explanation:

The error occurs in the existential instantiation steps (3 and 5). It is not valid to instanti…

OR