Nuprl Lemma : interval-fun_wf
∀[I,J:Interval]. ∀[f:I ⟶ℝ].  (interval-fun(I;J;x.f[x]) ∈ ℙ)
Proof
Definitions occuring in Statement : 
interval-fun: interval-fun(I;J;x.f[x]), 
rfun: I ⟶ℝ, 
interval: Interval, 
uall: ∀[x:A]. B[x], 
prop: ℙ, 
so_apply: x[s], 
member: t ∈ T
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
interval-fun: interval-fun(I;J;x.f[x]), 
prop: ℙ, 
and: P ∧ Q, 
all: ∀x:A. B[x], 
so_apply: x[s], 
rfun: I ⟶ℝ, 
uimplies: b supposing a
Latex:
\mforall{}[I,J:Interval].  \mforall{}[f:I  {}\mrightarrow{}\mBbbR{}].    (interval-fun(I;J;x.f[x])  \mmember{}  \mBbbP{})
 Date html generated: 
2020_05_20-PM-00_25_11
 Last ObjectModification: 
2019_12_05-PM-05_48_27
Theory : reals
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