Nuprl Lemma : map-to-context-subset-disjoint

[Gamma:j⊢]. ∀[phi,psi:{Gamma ⊢ _:𝔽}]. ∀[H:j⊢].
  ∀[sigma:H j⟶ Gamma, (phi ∧ psi)]. ∀[I:fset(ℕ)].  H(I)) supposing Gamma ⊢ ((phi ∧ psi)  0(𝔽))


Proof




Definitions occuring in Statement :  face-term-implies: Gamma ⊢ (phi  psi) context-subset: Gamma, phi face-and: (a ∧ b) face-0: 0(𝔽) face-type: 𝔽 cubical-term: {X ⊢ _:A} cube_set_map: A ⟶ B I_cube: A(I) cubical_set: CubicalSet fset: fset(T) nat: uimplies: supposing a uall: [x:A]. B[x] not: ¬A
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T uimplies: supposing a not: ¬A implies:  Q false: False cube_set_map: A ⟶ B psc_map: A ⟶ B nat-trans: nat-trans(C;D;F;G) context-subset: Gamma, phi type-cat: TypeCat cube-cat: CubeCat op-cat: op-cat(C) spreadn: spread4 all: x:A. B[x] I_cube: A(I) prop: face-term-implies: Gamma ⊢ (phi  psi) cubical-term-at: u(a) face-0: 0(𝔽) lattice-0: 0 record-select: r.x face_lattice: face_lattice(I) face-lattice: face-lattice(T;eq) free-dist-lattice-with-constraints: free-dist-lattice-with-constraints(T;eq;x.Cs[x]) constrained-antichain-lattice: constrained-antichain-lattice(T;eq;P) mk-bounded-distributive-lattice: mk-bounded-distributive-lattice mk-bounded-lattice: mk-bounded-lattice(T;m;j;z;o) record-update: r[x := v] ifthenelse: if then else fi  eq_atom: =a y bfalse: ff btrue: tt empty-fset: {} nil: [] it:
Lemmas referenced :  cat_arrow_triple_lemma ob_pair_lemma cat_ob_pair_lemma I_cube_wf fset_wf nat_wf cube_set_map_wf context-subset_wf face-and_wf face-term-implies_wf face-0_wf cubical-term_wf face-type_wf cubical_set_wf void-list-equality nil_wf face-lattice-0-not-1
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation_alt introduction cut lambdaFormation_alt thin sqequalHypSubstitution setElimination rename sqequalRule extract_by_obid dependent_functionElimination Error :memTop,  hypothesis hypothesisEquality independent_functionElimination because_Cache voidElimination universeIsType isectElimination lambdaEquality_alt functionIsTypeImplies inhabitedIsType isect_memberEquality_alt isectIsTypeImplies instantiate voidEquality

Latex:
\mforall{}[Gamma:j\mvdash{}].  \mforall{}[phi,psi:\{Gamma  \mvdash{}  \_:\mBbbF{}\}].  \mforall{}[H:j\mvdash{}].
    \mforall{}[sigma:H  j{}\mrightarrow{}  Gamma,  (phi  \mwedge{}  psi)].  \mforall{}[I:fset(\mBbbN{})].    (\mneg{}H(I))  supposing  Gamma  \mvdash{}  ((phi  \mwedge{}  psi)  {}\mRightarrow{}  0(\mBbbF{}))



Date html generated: 2020_05_20-PM-03_07_13
Last ObjectModification: 2020_04_04-PM-05_23_46

Theory : cubical!type!theory


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