Step
*
of Lemma
quotient-mono
∀[T:Type]. (mono(T)
⇒ (∀E:T ⟶ T ⟶ ℙ. (EquivRel(T;x,y.E[x;y])
⇒ mono(x,y:T//E[x;y]))))
BY
{ (Auto THEN D 0 THEN Auto) }
1
1. T : Type
2. mono(T)
3. E : T ⟶ T ⟶ ℙ
4. EquivRel(T;x,y.E[x;y])
5. a : x,y:T//E[x;y]
6. b : Base
7. is-above(x,y:T//E[x;y];a;b)
⊢ a = b ∈ (x,y:T//E[x;y])
Latex:
Latex:
\mforall{}[T:Type]. (mono(T) {}\mRightarrow{} (\mforall{}E:T {}\mrightarrow{} T {}\mrightarrow{} \mBbbP{}. (EquivRel(T;x,y.E[x;y]) {}\mRightarrow{} mono(x,y:T//E[x;y]))))
By
Latex:
(Auto THEN D 0 THEN Auto)
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