Nuprl - Proof: comp preserves bij 1

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: comp preserves bij 1

1. A : Type
2. B : Type
3. C : Type
4. g : A

B
5. f : B

C
6. Inj(A; B; g) & Surj(A; B; g)
7. Inj(B; C; f) & Surj(B; C; f)

Inj(A; C; f o g) & Surj(A; C; f o g)

By:	Analyze THEN BackThru: Thm* Inj(A; B; g) Inj(B; C; f) Inj(A; C; f o g) \| Thm* Surj(A; B; g) Surj(B; C; f) Surj(A; C; f o g)

Generated subgoals:

None

About:

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