Nuprl - Proof: sigma to union wf 1 2 1

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At: sigma to union wf 1 2 1

1. A : Type
2. B : Type
3. i :

2
4. e1 : B
5. i = 1

if i=

inl(e1) else inr(e1) fi

A+B

By:	SplitITE Concl

Generated subgoals:

None

About:

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