Step
*
2
of Lemma
inclusion-partial
1. T : Type
2. value-type(T)
3. ∀a:Base. ((a ∈ T)
⇒ (a ∈ base-partial(T)))
⊢ T ⊆r partial(T)
BY
{ (D 0 THEN Auto THEN PointwiseFunctionality (-1)⋅ THEN Try (EqCD) THEN Auto THEN (EqTypeCD ORELSE MemTypeCD) THEN Auto)
⋅ }
1
.....antecedent.....
1. T : Type
2. value-type(T)
3. ∀a:Base. ((a ∈ T)
⇒ (a ∈ base-partial(T)))
4. a : Base
5. b : Base
6. c : a = b ∈ T
⊢ per-partial(T;a;b)
Latex:
Latex:
1. T : Type
2. value-type(T)
3. \mforall{}a:Base. ((a \mmember{} T) {}\mRightarrow{} (a \mmember{} base-partial(T)))
\mvdash{} T \msubseteq{}r partial(T)
By
Latex:
(D 0
THEN Auto
THEN PointwiseFunctionality (-1)\mcdot{}
THEN Try (EqCD)
THEN Auto
THEN (EqTypeCD ORELSE MemTypeCD)
THEN Auto)\mcdot{}
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