T
x,y:T. x = y 
(eq(x,y))T:Type. EqDecider(T) 
Typeb == if b
True else False fib:. b Prop
q == if p true else q fip,q:. (p q) T:Type, d:EqDecider(T). eqof(d) TT| Some definitions of interest. | |
| deq | Tx,y:T. x = y (eq(x,y)) |
| T:Type. EqDecider(T) Type | |
| assert | b == if b True else False fi |
| b:. b Prop | |
| bor | q == if p true else q fi |
| p,q:. (p q) | |
| eqof | |
| T:Type, d:EqDecider(T). eqof(d) TT |
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