Nuprl Lemma : ctt-term-meaning-subtype2
∀[X:⊢''']. (cttTerm(X) ⊆r ctt-type-meaning1{i:l}(X))
Proof
Definitions occuring in Statement : 
ctt-type-meaning1: ctt-type-meaning1{i:l}(X)
, 
ctt-term-meaning: cttTerm(X)
, 
cubical_set: CubicalSet
, 
subtype_rel: A ⊆r B
, 
uall: ∀[x:A]. B[x]
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
subtype_rel: A ⊆r B
, 
member: t ∈ T
, 
ctt-term-meaning: cttTerm(X)
, 
all: ∀x:A. B[x]
, 
int_seg: {i..j-}
, 
lelt: i ≤ j < k
, 
and: P ∧ Q
, 
le: A ≤ B
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
uimplies: b supposing a
, 
sq_type: SQType(T)
, 
implies: P 
⇒ Q
, 
guard: {T}
, 
ctt-type-meaning1: ctt-type-meaning1{i:l}(X)
, 
not: ¬A
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
prop: ℙ
, 
false: False
, 
less_than': less_than'(a;b)
Lemmas referenced : 
decidable__equal_int, 
subtype_base_sq, 
int_subtype_base, 
int_seg_properties, 
decidable__le, 
full-omega-unsat, 
intformnot_wf, 
intformle_wf, 
itermConstant_wf, 
istype-int, 
int_formula_prop_not_lemma, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
int_formula_prop_wf, 
decidable__lt, 
intformless_wf, 
int_formula_prop_less_lemma, 
istype-le, 
istype-less_than, 
ctt-level-type_wf, 
int_seg_subtype_nat, 
istype-false, 
istype-top, 
int_seg_subtype_special, 
int_seg_cases, 
intformand_wf, 
itermVar_wf, 
int_formula_prop_and_lemma, 
int_term_value_var_lemma, 
ctt-term-meaning_wf, 
cubical_set_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation_alt, 
lambdaEquality_alt, 
sqequalHypSubstitution, 
productElimination, 
thin, 
cut, 
introduction, 
extract_by_obid, 
dependent_functionElimination, 
setElimination, 
rename, 
hypothesisEquality, 
hypothesis, 
unionElimination, 
instantiate, 
isectElimination, 
cumulativity, 
intEquality, 
independent_isectElimination, 
because_Cache, 
independent_functionElimination, 
equalityTransitivity, 
equalitySymmetry, 
natural_numberEquality, 
dependent_pairEquality_alt, 
dependent_set_memberEquality_alt, 
independent_pairFormation, 
approximateComputation, 
dependent_pairFormation_alt, 
Error :memTop, 
sqequalRule, 
universeIsType, 
voidElimination, 
productIsType, 
independent_pairEquality, 
applyEquality, 
lambdaFormation_alt, 
hypothesis_subsumption, 
int_eqEquality
Latex:
\mforall{}[X:\mvdash{}'''].  (cttTerm(X)  \msubseteq{}r  ctt-type-meaning1\{i:l\}(X))
Date html generated:
2020_05_20-PM-07_59_41
Last ObjectModification:
2020_05_05-AM-11_08_43
Theory : cubical!type!theory
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