Nuprl - Proof: nsub inj ooc nsub surj 1

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At: nsub inj ooc nsub surj 1

1. k :

2. (

k inj

k) =ext (

k onto

(

k inj

k) ~ (

k onto

By:	OOCifExteq

Generated subgoals:

None

About:

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