(33steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc

At: not disjoint is member lemma 1 1 1 1 1 1
1. T: Type
2. eq: {T=}
3. eq TT
4. x,y:T. eq(x,y) x = y
5. L: T List
6. M: T List

True (x:T. False & x(eq) nil)
By: Reduce 0
Generated subgoal:

17. True
x:T. False & False

About:
listnilboolassertapplyfunctionuniverseequalmember
impliesandfalsetrueallexists

(33steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc