Tutorial 19 Universal Generalization: Alternative Exercises.

You should now Launch Deriver and do the 1 exercise of Predicate Exercise 9 (Predex9).


Exercise to accompany Predicate Tutorial 9

Exercise 1(of 1)

Derive the following

(a) Fa ∴ (∀x)Fa
(b) (∀x) (Fx∧Gx) ∴ (∀x)Fx
(c) (∀x) (Fx∧Gx) ∴ (∀y)Fy
(d) ∴ (∀x)Fx≡(∀y)Fy
(e) (∀x) (Fx∧Gx) ∴ (∀y)Fy∧(∀z)Gz
(f) ∴ (∀x) (Fx∧Gx) ≡ (∀y)Fy∧(∀z)Gz
(g) ∴ (∀x) (Fx∧Gx) ≡ (∀x)Fx∧(∀x)Gx