Step
*
of Lemma
subset-iota_wf2
No Annotations
∀[Gamma:j⊢]. ∀[phi:{Gamma ⊢ _:𝔽}]. (iota ∈ Gamma, phi j⟶ Gamma)
BY
{ (Intros
THEN DCubeSetMap ``context-subset`` 0
THEN At ⌜𝕌'⌝ MemTypeCD⋅
THEN RepUR ``subset-iota`` 0
THEN Reduce 0
THEN Auto
THEN RepeatFor 2 (DVar `Gamma')
THEN Reduce 0
THEN Auto) }
Latex:
Latex:
No Annotations
\mforall{}[Gamma:j\mvdash{}]. \mforall{}[phi:\{Gamma \mvdash{} \_:\mBbbF{}\}]. (iota \mmember{} Gamma, phi j{}\mrightarrow{} Gamma)
By
Latex:
(Intros
THEN DCubeSetMap ``context-subset`` 0
THEN At \mkleeneopen{}\mBbbU{}'\mkleeneclose{} MemTypeCD\mcdot{}
THEN RepUR ``subset-iota`` 0
THEN Reduce 0
THEN Auto
THEN RepeatFor 2 (DVar `Gamma')
THEN Reduce 0
THEN Auto)
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