Problem 25E

Use existential and universal quantifiers to express the statement '"Everyone has exactly two biological parents" using the propositional function P(x,y), which represents "x is the biological parent of y."

Solution:

Step 1 ;

Express the statement '"Everyone has exactly two biological parents" using existential and universal quantifiers.

This statement clearly shows that everyone has exactly two biological parents this is universal

And also given that the propositional function P(x,y), which represents "x is the biological parent of y."

.’.