Step
*
1
1
1
of Lemma
all-quotient-true
1. T : Type
2. canonicalizable(T)
3. P : T ⟶ ℙ
4. ∀t:T. ⇃(P t)
⊢ ⇃(∀t:T. (P t))
BY
{ ((InstLemma `all-quotient-dependent` [⌜T⌝;⌜P⌝;⌜so_lambda(t,x,y.True)⌝]⋅ THENA Auto)
THEN D -1
THEN Thin (-1)
THEN (D -1 THENA Auto)) }
1
1. T : Type
2. canonicalizable(T)
3. P : T ⟶ ℙ
4. ∀t:T. ⇃(P t)
5. f,g:∀t:T. P[t]//dep-fun-equiv(T;t,x,y.↓True;f;g)
⊢ ⇃(∀t:T. (P t))
Latex:
Latex:
1. T : Type
2. canonicalizable(T)
3. P : T {}\mrightarrow{} \mBbbP{}
4. \mforall{}t:T. \00D9(P t)
\mvdash{} \00D9(\mforall{}t:T. (P t))
By
Latex:
((InstLemma `all-quotient-dependent` [\mkleeneopen{}T\mkleeneclose{};\mkleeneopen{}P\mkleeneclose{};\mkleeneopen{}so\_lambda(t,x,y.True)\mkleeneclose{}]\mcdot{} THENA Auto)
THEN D -1
THEN Thin (-1)
THEN (D -1 THENA Auto))
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