Nuprl - Proof: counting is unique 1 2

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At: counting is unique 1 2

1. A : Type
2. m :

3. k :

4. A ~

m
5. A ~

k
6.

x,y:

. (

x ~

m = k

By:	mk & km Asserted THEN BackThru: Hyp:6 THEN ChainRelation: Thm* EquivRel X,Y:Type. X ~ Y

Generated subgoals:

None

About:

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