12 lines
375 B
Text
12 lines
375 B
Text
Set: pp::colors
|
|
Set: pp::unicode
|
|
Assumed: C
|
|
Assumed: D
|
|
Assumed: R
|
|
Proved: R2
|
|
Theorem R2 (A A' B B' : Type) (H : A → B = A' → B') (a : A) : B = B' := R A A' (λ x : A, B) (λ x : A', B') H a
|
|
Proved: R3
|
|
Proved: R4
|
|
Proved: R5
|
|
Theorem R5 (A1 A2 B1 B2 : Type) (H : A1 → B1 = A2 → B2) (a : A1) : B1 = B2 :=
|
|
R A1 A2 (λ a : A1, B1) (λ _ : A2, B2) H a
|