Nuprl Lemma : VesleySchema2_wf
VesleySchema2 ∈ ℙ'
Proof
Definitions occuring in Statement : 
VesleySchema2: VesleySchema2
, 
prop: ℙ
, 
member: t ∈ T
Definitions unfolded in proof : 
VesleySchema2: VesleySchema2
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
, 
subtype_rel: A ⊆r B
, 
prop: ℙ
, 
so_lambda: λ2x.t[x]
, 
implies: P 
⇒ Q
, 
all: ∀x:A. B[x]
, 
nat_plus: ℕ+
, 
so_apply: x[s]
, 
uimplies: b supposing a
, 
le: A ≤ B
, 
and: P ∧ Q
, 
less_than': less_than'(a;b)
, 
false: False
, 
not: ¬A
, 
less_than: a < b
, 
squash: ↓T
, 
true: True
Lemmas referenced : 
all_wf, 
nat_plus_wf, 
exists_wf, 
not_wf, 
equal_wf, 
int_seg_wf, 
subtype_rel_dep_function, 
int_seg_subtype_nat_plus, 
false_wf, 
subtype_rel_self, 
regularize_wf, 
less_than_wf, 
bool_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
cut, 
instantiate, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
functionEquality, 
hypothesis, 
applyEquality, 
lambdaEquality, 
cumulativity, 
hypothesisEquality, 
universeEquality, 
intEquality, 
because_Cache, 
setEquality, 
functionExtensionality, 
lambdaFormation, 
setElimination, 
rename, 
natural_numberEquality, 
independent_isectElimination, 
independent_pairFormation, 
dependent_set_memberEquality, 
imageMemberEquality, 
baseClosed
Latex:
VesleySchema2  \mmember{}  \mBbbP{}'
Date html generated:
2017_10_03-AM-10_14_46
Last ObjectModification:
2017_09_19-PM-03_52_12
Theory : reals
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