Nuprl Lemma : int-problem-dimension_wf
∀[p:IntConstraints]. (dim(p) ∈ ℕ)
Proof
Definitions occuring in Statement : 
int-problem-dimension: dim(p), 
int-constraint-problem: IntConstraints, 
nat: ℕ, 
uall: ∀[x:A]. B[x], 
member: t ∈ T
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
int-constraint-problem: IntConstraints, 
tunion: ⋃x:A.B[x], 
pi2: snd(t), 
so_lambda: λ2x.t[x], 
nat: ℕ, 
prop: ℙ, 
so_apply: x[s], 
all: ∀x:A. B[x], 
or: P ∨ Q, 
cons: [a / b], 
int-problem-dimension: dim(p), 
nil: [], 
it: ⋅, 
le: A ≤ B, 
and: P ∧ Q, 
less_than': less_than'(a;b), 
false: False, 
not: ¬A, 
implies: P ⇒ Q, 
top: Top, 
decidable: Dec(P), 
iff: P ⇐⇒ Q, 
rev_implies: P ⇐ Q, 
uiff: uiff(P;Q), 
uimplies: b supposing a, 
sq_stable: SqStable(P), 
squash: ↓T, 
guard: {T}, 
subtract: n - m, 
subtype_rel: A ⊆r B, 
true: True
Lemmas referenced : 
int-constraint-problem_wf, 
set_wf, 
list_wf, 
equal_wf, 
length_wf, 
list-cases, 
product_subtype_list, 
false_wf, 
le_wf, 
reduce_hd_cons_lemma, 
subtract_wf, 
decidable__le, 
not-le-2, 
sq_stable__le, 
le_antisymmetry_iff, 
condition-implies-le, 
minus-add, 
minus-one-mul, 
add-swap, 
minus-one-mul-top, 
add-commutes, 
zero-add, 
minus-minus, 
add-associates, 
add_functionality_wrt_le, 
add-zero, 
le-add-cancel
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalHypSubstitution, 
unionElimination, 
thin, 
hypothesis, 
sqequalRule, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
extract_by_obid, 
imageElimination, 
productElimination, 
isectElimination, 
intEquality, 
lambdaEquality, 
hypothesisEquality, 
addEquality, 
setElimination, 
rename, 
natural_numberEquality, 
dependent_functionElimination, 
promote_hyp, 
hypothesis_subsumption, 
dependent_set_memberEquality, 
independent_pairFormation, 
lambdaFormation, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
independent_functionElimination, 
independent_isectElimination, 
imageMemberEquality, 
baseClosed, 
applyEquality, 
because_Cache, 
minusEquality
Latex:
\mforall{}[p:IntConstraints].  (dim(p)  \mmember{}  \mBbbN{})
Date html generated:
2017_04_14-AM-09_10_37
Last ObjectModification:
2017_02_27-PM-03_47_44
Theory : omega
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