Nuprl - Proof: connex functionality wrt iff 1 1

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At: connex functionality wrt iff 1 1

1. T : Type
2. R : T

Prop
3. R' : T

Prop
4.

x,y:T. R(x,y)

R'(x,y)

(

x,y:T. R'(x,y)

R'(y,x))

(

x,y:T. R'(x,y)

R'(y,x))

By:	HypBackchain

Generated subgoals:

None

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