Nuprl Definition : nerve-box-common-face
nerve-box-common-face(box;L;z) ==
  hd(filter(λf.((direction(f) =z L dimension(f)) ∧b (direction(f) =z flip(L;z) dimension(f)));box))
Definitions occuring in Statement : 
face-direction: direction(f)
, 
face-dimension: dimension(f)
, 
name-morph-flip: flip(f;y)
, 
hd: hd(l)
, 
filter: filter(P;l)
, 
band: p ∧b q
, 
eq_int: (i =z j)
, 
apply: f a
, 
lambda: λx.A[x]
Definitions occuring in definition : 
hd: hd(l)
, 
filter: filter(P;l)
, 
lambda: λx.A[x]
, 
band: p ∧b q
, 
eq_int: (i =z j)
, 
face-direction: direction(f)
, 
apply: f a
, 
name-morph-flip: flip(f;y)
, 
face-dimension: dimension(f)
FDL editor aliases : 
nerve-box-common-face
Latex:
nerve-box-common-face(box;L;z)  ==
    hd(filter(\mlambda{}f.((direction(f)  =\msubz{}  L  dimension(f))  \mwedge{}\msubb{}  (direction(f)  =\msubz{}  flip(L;z)  dimension(f)));box))
Date html generated:
2016_06_16-PM-07_02_28
Last ObjectModification:
2015_09_23-AM-09_33_22
Theory : cubical!sets
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