Step
*
of Lemma
fpf-compatible-singles
No Annotations
∀[A:Type]. ∀[eq:EqDecider(A)]. ∀[B:A ⟶ Type]. ∀[x,y:A]. ∀[v:B[x]]. ∀[u:B[y]].
x : v || y : u supposing (x = y ∈ A)
⇒ (v = u ∈ B[x])
BY
{ TACTIC:(UnivCD THENA Auto) }
1
1. A : Type
2. eq : EqDecider(A)
3. B : A ⟶ Type
4. x : A
5. y : A
6. v : B[x]
7. u : B[y]
8. (x = y ∈ A)
⇒ (v = u ∈ B[x])
⊢ x : v || y : u
Latex:
Latex:
No Annotations
\mforall{}[A:Type]. \mforall{}[eq:EqDecider(A)]. \mforall{}[B:A {}\mrightarrow{} Type]. \mforall{}[x,y:A]. \mforall{}[v:B[x]]. \mforall{}[u:B[y]].
x : v || y : u supposing (x = y) {}\mRightarrow{} (v = u)
By
Latex:
TACTIC:(UnivCD THENA Auto)
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