Nuprl - Proof: bij iff 1 1 corr version2

(6steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc

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At: bij iff 1 1 corr version2

A,B:Type. (

f:(A

B). Bij(A; B; f))

(A ~ B)

By:	Def of A ~ B

Generated subgoals:

1 1. A : Type
2. B : Type
3. f:(AB). Bij(A; B; f)
f:(AB), g:(BA). InvFuns(A;B;f;g)
2 steps

2 1. A : Type
2. B : Type
3. f:(AB), g:(BA). InvFuns(A;B;f;g)
f:(AB). Bij(A; B; f)
3 steps

About:

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(6steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc

1	1. A : Type 2. B : Type 3. f:(AB). Bij(A; B; f) f:(AB), g:(BA). InvFuns(A;B;f;g)	2 steps
2	1. A : Type 2. B : Type 3. f:(AB), g:(BA). InvFuns(A;B;f;g) f:(AB). Bij(A; B; f)	3 steps