Predicates - symbolisation Flashcards
1
Q
All Fs are Gs
A
∀x(Fx→Gx)
2
Q
Some Fs are Gs
A
∃x(Fx∧Gx)
3
Q
Not all Fs are Gs
A
¬∀x(Fx → Gx) or ∃x(Fx ∧ ¬Gx)
4
Q
No Fs are Gs
A
∀x(Fx → ¬Gx) or ¬∃x(Fx ∧ Gx)
5
Q
A