Nuprl Definition : weak-antecedent-surjection
Q ←←= f== P == Q ←==f== P ∧ (∀e:{e:E| Q e} . ∃e':{e:E| P e} . ((f e') = e ∈ E))
Definitions occuring in Statement :
weak-antecedent-function: Q ←==f== P
,
es-E: E
,
all: ∀x:A. B[x]
,
exists: ∃x:A. B[x]
,
and: P ∧ Q
,
set: {x:A| B[x]}
,
apply: f a
,
equal: s = t ∈ T
FDL editor aliases :
weak-antecedent-surjection
weak-antecedent-surjection
Q \mleftarrow{}\mleftarrow{}= f== P == Q \mleftarrow{}==f== P \mwedge{} (\mforall{}e:\{e:E| Q e\} . \mexists{}e':\{e:E| P e\} . ((f e') = e))
Date html generated:
2015_07_17-AM-09_02_13
Last ObjectModification:
2013_03_25-PM-01_55_46
Home
Index