T
x,y:T. x = y 
(eq(x,y))T:Type. EqDecider(T) 
Typexdom(f). v=f(x) 
P(x;v) == x:A. x dom(f) P(x;f(x))
x.v> Q == (P Q) & (P Q)A,B:Prop. (A B) Prop
1. b(1))(1) == b(1)| Some definitions of interest. | |
| deq | Tx,y:T. x = y (eq(x,y)) |
| T:Type. EqDecider(T) Type | |
| fpf-all | xdom(f). v=f(x) P(x;v) == x:A. x dom(f) P(x;f(x)) |
| fpf-single | x.v> |
| iff | Q == (P Q) & (P Q) |
| A,B:Prop. (A B) Prop | |
| so_lambda1 | 1. b(1))(1) == b(1) |
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