Nuprl Lemma : face-name-eq_wf
∀[I:Cname List]. ∀[a,b:nameset(I) × ℕ2].  (face-name-eq(a;b) ∈ 𝔹)
Proof
Definitions occuring in Statement : 
face-name-eq: face-name-eq(a;b)
, 
nameset: nameset(L)
, 
coordinate_name: Cname
, 
list: T List
, 
int_seg: {i..j-}
, 
bool: 𝔹
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
product: x:A × B[x]
, 
natural_number: $n
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
face-name-eq: face-name-eq(a;b)
, 
subtype_rel: A ⊆r B
, 
nameset: nameset(L)
, 
coordinate_name: Cname
, 
int_upper: {i...}
, 
int_seg: {i..j-}
Lemmas referenced : 
product-deq_wf, 
int-deq_wf, 
nameset_wf, 
int_seg_wf, 
list_wf, 
coordinate_name_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
applyEquality, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
intEquality, 
because_Cache, 
hypothesis, 
productElimination, 
independent_pairEquality, 
setElimination, 
rename, 
hypothesisEquality, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
productEquality, 
natural_numberEquality, 
isect_memberEquality
Latex:
\mforall{}[I:Cname  List].  \mforall{}[a,b:nameset(I)  \mtimes{}  \mBbbN{}2].    (face-name-eq(a;b)  \mmember{}  \mBbbB{})
Date html generated:
2016_06_16-PM-05_49_24
Last ObjectModification:
2015_12_28-PM-04_31_19
Theory : cubical!sets
Home
Index