Nuprl Definition : is-face

is-face(X;I;bx;f) ==  (dimension(f):=direction(f))(bx) = cube(f) ∈ X(I-[dimension(f)])



Definitions occuring in Statement :  face-cube: cube(f),  face-direction: direction(f),  face-dimension: dimension(f),  cube-set-restriction: f(s),  I-cube: X(I),  face-map: (x:=i),  cname_deq: CnameDeq,  list-diff: as-bs,  cons: [a / b],  nil: [],  equal: s = t ∈ T
Definitions occuring in definition :  equal: s = t ∈ T,  I-cube: X(I),  cube-set-restriction: f(s),  list-diff: as-bs,  cname_deq: CnameDeq,  cons: [a / b],  nil: [],  face-map: (x:=i),  face-dimension: dimension(f),  face-direction: direction(f),  face-cube: cube(f)
FDL editor aliases :  is-face

Latex:
is-face(X;I;bx;f)  ==    (dimension(f):=direction(f))(bx)  =  cube(f)



Date html generated: 2016_06_16-PM-05_50_38
Last ObjectModification: 2015_09_23-AM-09_31_27

Theory : cubical!sets


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