(35steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc

At: list exists is member lemma 2 2 1 1 1 1 1
1. T: Type
2. eq: TT
3. eq TT
4. P: TProp
5. L: T List
6. u: T
7. v: T List
8. yv.P(y) (x:T. x(eq) v & P(x))
9. P(u)
10. eq(u,u) u = u

if eq(u,u) true else u(eq) v fi
By: Assert (u = u)
Generated subgoal:

111. u = u
if eq(u,u) true else u(eq) v fi

About:
listboolbtrueifthenelseassertapplyfunction
universeequalmemberpropimpliesandexists

(35steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc