Nuprl Lemma : member-cubical-path-0-0
∀[Gamma:j⊢]. ∀[A:{Gamma ⊢ _}]. ∀[I:fset(ℕ)]. ∀[i:{i:ℕ| ¬i ∈ I} ]. ∀[rho:Gamma(I+i)]. ∀[u:Top]. ∀[x:A((i0)(rho))].
  (x ∈ cubical-path-0(Gamma;A;I;i;rho;0;u))
Proof
Definitions occuring in Statement : 
cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u), 
cubical-type-at: A(a), 
cubical-type: {X ⊢ _}, 
face_lattice: face_lattice(I), 
cube-set-restriction: f(s), 
I_cube: A(I), 
cubical_set: CubicalSet, 
nc-0: (i0), 
add-name: I+i, 
fset-member: a ∈ s, 
fset: fset(T), 
int-deq: IntDeq, 
nat: ℕ, 
uall: ∀[x:A]. B[x], 
top: Top, 
not: ¬A, 
member: t ∈ T, 
set: {x:A| B[x]} , 
lattice-0: 0
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
cubical-path-0: cubical-path-0(Gamma;A;I;i;rho;phi;u), 
subtype_rel: A ⊆r B, 
prop: ℙ, 
nat: ℕ, 
ge: i ≥ j , 
all: ∀x:A. B[x], 
decidable: Dec(P), 
or: P ∨ Q, 
uimplies: b supposing a, 
not: ¬A, 
implies: P ⇒ Q, 
satisfiable_int_formula: satisfiable_int_formula(fmla), 
exists: ∃x:A. B[x], 
false: False, 
and: P ∧ Q, 
so_lambda: λ2x.t[x], 
so_apply: x[s], 
cubical-term: {X ⊢ _:A}, 
name-morph-satisfies: (psi f) = 1, 
cube-set-restriction: f(s), 
pi2: snd(t), 
face-presheaf: 𝔽, 
fl-morph: <f>, 
fl-lift: fl-lift(T;eq;L;eqL;f0;f1), 
face-lattice-property, 
free-dist-lattice-with-constraints-property, 
lattice-extend-wc: lattice-extend-wc(L;eq;eqL;f;ac), 
lattice-extend: lattice-extend(L;eq;eqL;f;ac), 
lattice-fset-join: \/(s), 
reduce: reduce(f;k;as), 
list_ind: list_ind, 
fset-image: f"(s), 
f-union: f-union(domeq;rngeq;s;x.g[x]), 
list_accum: list_accum, 
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 b then t else f fi , 
eq_atom: x =a y, 
bfalse: ff, 
btrue: tt, 
empty-fset: {}, 
nil: [], 
it: ⋅, 
bdd-distributive-lattice: BoundedDistributiveLattice, 
bounded-lattice-hom: Hom(l1;l2), 
lattice-hom: Hom(l1;l2), 
squash: ↓T, 
true: True, 
guard: {T}, 
iff: P ⇐⇒ Q, 
lattice-point: Point(l), 
I_cube: A(I), 
functor-ob: ob(F), 
pi1: fst(t)
Lemmas referenced : 
cubical-path-condition-0, 
cubical-path-condition_wf, 
lattice-0_wf, 
face_lattice_wf, 
istype-cubical-type-at, 
cube-set-restriction_wf, 
add-name_wf, 
nat_properties, 
decidable__le, 
full-omega-unsat, 
intformand_wf, 
intformnot_wf, 
intformle_wf, 
itermConstant_wf, 
itermVar_wf, 
istype-int, 
int_formula_prop_and_lemma, 
int_formula_prop_not_lemma, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_wf, 
istype-le, 
nc-0_wf, 
istype-top, 
I_cube_wf, 
istype-nat, 
fset-member_wf, 
nat_wf, 
int-deq_wf, 
strong-subtype-deq-subtype, 
strong-subtype-set3, 
le_wf, 
strong-subtype-self, 
istype-void, 
fset_wf, 
cubical-type_wf, 
cubical_set_wf, 
cubical-subset-I_cube-member, 
nc-s_wf, 
f-subset-add-name, 
equal_wf, 
lattice-point_wf, 
subtype_rel_set, 
bounded-lattice-structure_wf, 
lattice-structure_wf, 
lattice-axioms_wf, 
bounded-lattice-structure-subtype, 
bounded-lattice-axioms_wf, 
lattice-meet_wf, 
lattice-join_wf, 
fl-morph_wf, 
lattice-1_wf, 
squash_wf, 
true_wf, 
istype-universe, 
fl-morph-0, 
subtype_rel_self, 
iff_weakening_equal, 
face-lattice-0-not-1, 
cubical-subset_wf, 
face-presheaf_wf2, 
csm-ap-type-at, 
names-hom_wf, 
csm-ap-type_wf, 
cubical_set_cumulativity-i-j, 
csm-comp_wf, 
formal-cube_wf1, 
subset-iota_wf, 
context-map_wf, 
cubical-type-ap-morph_wf, 
face-lattice-property, 
free-dist-lattice-with-constraints-property
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation_alt, 
dependent_set_memberEquality_alt, 
hypothesisEquality, 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
Error :memTop, 
hypothesis, 
universeIsType, 
instantiate, 
because_Cache, 
applyEquality, 
sqequalRule, 
setElimination, 
rename, 
dependent_functionElimination, 
natural_numberEquality, 
unionElimination, 
independent_isectElimination, 
approximateComputation, 
independent_functionElimination, 
dependent_pairFormation_alt, 
lambdaEquality_alt, 
int_eqEquality, 
independent_pairFormation, 
voidElimination, 
setIsType, 
functionIsType, 
intEquality, 
functionExtensionality, 
productElimination, 
inhabitedIsType, 
equalityTransitivity, 
equalitySymmetry, 
hyp_replacement, 
applyLambdaEquality, 
productEquality, 
cumulativity, 
isectEquality, 
imageElimination, 
universeEquality, 
imageMemberEquality, 
baseClosed, 
lambdaFormation_alt, 
equalityIstype
Latex:
\mforall{}[Gamma:j\mvdash{}].  \mforall{}[A:\{Gamma  \mvdash{}  \_\}].  \mforall{}[I:fset(\mBbbN{})].  \mforall{}[i:\{i:\mBbbN{}|  \mneg{}i  \mmember{}  I\}  ].  \mforall{}[rho:Gamma(I+i)].  \mforall{}[u:Top].
\mforall{}[x:A((i0)(rho))].
    (x  \mmember{}  cubical-path-0(Gamma;A;I;i;rho;0;u))
Date html generated:
2020_05_20-PM-03_46_22
Last ObjectModification:
2020_04_09-AM-11_04_41
Theory : cubical!type!theory
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