(18steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc

At: list exists is member lemma1 1 1
1. T: Type
2. eq: TT
3. (x,y:T. eq(x,y) x = y) & eq TT
4. P: TProp
5. x: T
6. L: T List

x(eq) L P(x) yL.P(y)
By: UnivCD
Generated subgoal:

17. x(eq) L
8. P(x)
yL.P(y)

About:
listboolassertapplyfunctionuniverseequalmemberpropimpliesandall

(18steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc