(14steps total) PrintForm Definitions Lemmas graph 1 2 Sections Graphs Doc

At: fun-graph-rel-graph 3 2 1 1

1. A: Type
2. B: Type
3. f: ABA
4. a:A, b1,b2:B. f(a,b1) = f(a,b2) b1 = b2
5. a,a':A. Dec(b:B. a' = f(a,b))
6. b1: A
7. b2: A
8. b1@0: B
9. b2 = f(b1,b1@0)
< b1,f(b1,b1@0) > = < b1,b2 > {p:(AA)| b:B. 2of(p) = f(1of(p),b) A }

By: Analyze

Generated subgoals:

1 < b1,f(b1,b1@0) > = < b1,b2 > 1 step
 
2 b:B. 2of( < b1,f(b1,b1@0) > ) = f(1of( < b1,f(b1,b1@0) > ),b)1 step

About:
pairproductdecidablesetfunction
universeequalimpliesallexists

(14steps total) PrintForm Definitions Lemmas graph 1 2 Sections Graphs Doc