Step
*
of Lemma
csm-subtype-iso-instance2
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ā[X,H:jā¢]. ā[phi:{H ā¢ _:š½}]. (H.š, (phi)p jā¶ X ār H, phi.š jā¶ X)
BY
{ ((Intros THEN (Assert H.š jā¢ BY Auto) THEN (Assert H, phi.š jā¢ BY Auto))
THEN BLemma `csm-subset-domain`
THEN Try (BLemma `context-adjoin-subset2`)
THEN Auto) }
Latex:
Latex:
No Annotations
\mforall{}[X,H:j\mvdash{}]. \mforall{}[phi:\{H \mvdash{} \_:\mBbbF{}\}]. (H.\mBbbI{}, (phi)p j{}\mrightarrow{} X \msubseteq{}r H, phi.\mBbbI{} j{}\mrightarrow{} X)
By
Latex:
((Intros THEN (Assert H.\mBbbI{} j\mvdash{} BY Auto) THEN (Assert H, phi.\mBbbI{} j\mvdash{} BY Auto))
THEN BLemma `csm-subset-domain`
THEN Try (BLemma `context-adjoin-subset2`)
THEN Auto)
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