Nuprl Definition : interval-fun
interval-fun(I;J;x.f[x]) ==  (∀x:{x:ℝ| x ∈ I} . (f[x] ∈ J)) ∧ (∀x,y:{x:ℝ| x ∈ I} .  f[x] = f[y] supposing x = y)
Definitions occuring in Statement : 
i-member: r ∈ I
, 
req: x = y
, 
real: ℝ
, 
uimplies: b supposing a
, 
all: ∀x:A. B[x]
, 
and: P ∧ Q
, 
set: {x:A| B[x]} 
FDL editor aliases : 
interval-fun
Latex:
interval-fun(I;J;x.f[x])  ==
    (\mforall{}x:\{x:\mBbbR{}|  x  \mmember{}  I\}  .  (f[x]  \mmember{}  J))  \mwedge{}  (\mforall{}x,y:\{x:\mBbbR{}|  x  \mmember{}  I\}  .    f[x]  =  f[y]  supposing  x  =  y)
Date html generated:
2020_05_20-PM-00_24_49
Last ObjectModification:
2019_12_05-PM-05_45_43
Theory : reals
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