Step * 1 1 of Lemma face-one-and-zero


1. CubicalSet{j}
2. {X ⊢ _:𝕀}
3. fset(ℕ)
4. X(I)
⊢ dM-to-FL(I;z a) ∧ dM-to-FL(I;¬(z a)) 0 ∈ 𝔽(a)
BY
(RWO  "dM-to-FL-neg" THEN Auto) }


Latex:


Latex:

1.  X  :  CubicalSet\{j\}
2.  z  :  \{X  \mvdash{}  \_:\mBbbI{}\}
3.  I  :  fset(\mBbbN{})
4.  a  :  X(I)
\mvdash{}  dM-to-FL(I;z  I  a)  \mwedge{}  dM-to-FL(I;\mneg{}(z  I  a))  =  0


By


Latex:
(RWO    "dM-to-FL-neg"  0  THEN  Auto)




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