Step
*
of Lemma
context-map-lemma2
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ā[Gamma:jā¢]. ā[phi:{Gamma ⢠_:š½}]. ā[I:fset(ā)]. ā[rho:Gamma(I)].
(<(s(rho);<new-name(I)>)> ā I+new-name(I),s(phi(rho)) jā¶ Gamma, phi.š)
BY
{ (Intros THEN Unhide) }
1
1. Gamma : CubicalSet{j}
2. phi : {Gamma ⢠_:š½}
3. I : fset(ā)
4. rho : Gamma(I)
⢠<(s(rho);<new-name(I)>)> ā I+new-name(I),s(phi(rho)) jā¶ Gamma, phi.š
Latex:
Latex:
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\mforall{}[Gamma:j\mvdash{}]. \mforall{}[phi:\{Gamma \mvdash{} \_:\mBbbF{}\}]. \mforall{}[I:fset(\mBbbN{})]. \mforall{}[rho:Gamma(I)].
(<(s(rho);<new-name(I)>)> \mmember{} I+new-name(I),s(phi(rho)) j{}\mrightarrow{} Gamma, phi.\mBbbI{})
By
Latex:
(Intros THEN Unhide)
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