Nuprl Lemma : int_formula_size_wf
∀[p:int_formula()]. (int_formula_size(p) ∈ ℕ)
Proof
Definitions occuring in Statement : 
int_formula_size: int_formula_size(p)
, 
int_formula: int_formula()
, 
nat: ℕ
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
int_formula_size: int_formula_size(p)
, 
int_formulaco_size: int_formulaco_size(p)
, 
int_formula: int_formula()
, 
uimplies: b supposing a
, 
nat: ℕ
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
Lemmas referenced : 
termination, 
nat_wf, 
set-value-type, 
le_wf, 
int-value-type, 
int_formulaco_size_wf, 
int_formula_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
cut, 
sqequalRule, 
sqequalHypSubstitution, 
setElimination, 
thin, 
rename, 
lemma_by_obid, 
isectElimination, 
hypothesis, 
independent_isectElimination, 
intEquality, 
lambdaEquality, 
natural_numberEquality, 
hypothesisEquality
Latex:
\mforall{}[p:int\_formula()].  (int\_formula\_size(p)  \mmember{}  \mBbbN{})
Date html generated:
2016_05_14-AM-07_04_26
Last ObjectModification:
2015_12_26-PM-01_10_41
Theory : omega
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