Tutorial 20 Simplified Existential Generalization: Alternative exercise.

You should now Launch Deriver and do the 1 exercise of Predicate Exercise 10 (Predex10).

Exercise to accompany Predicate Tutorial 10

Exercise 1 (of 1)

Derive the following

a) Fa∴(∃x)Fx

b) Fb∴(∃x)Fx

c) Fa∴(∃y)Fy

d) Fa∴(∃x)Fa

e) Fa,Ga∴(∃x)(Fx&Gx)

f) Fa,Ga∴(∃x)(Fx&Ga)

g) Fa,Ga∴(∃x)(Fa&Gx)

h) Fa,Ga∴(∃x)(Fx)&Ga

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