Nuprl Lemma : geo-line-eq_wf
∀[g:GeometryPrimitives]. ∀[l,m:Line].  (l ≡ m ∈ ℙ)
Proof
Definitions occuring in Statement : 
geo-line-eq: l ≡ m
, 
geo-line: Line
, 
geo-primitives: GeometryPrimitives
, 
uall: ∀[x:A]. B[x]
, 
prop: ℙ
, 
member: t ∈ T
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
geo-line-eq: l ≡ m
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
geo-primitives_wf, 
geo-line_wf, 
geo-line-sep_wf, 
not_wf
Rules used in proof : 
because_Cache, 
isect_memberEquality, 
dependent_functionElimination, 
equalitySymmetry, 
equalityTransitivity, 
axiomEquality, 
hypothesis, 
hypothesisEquality, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
extract_by_obid, 
sqequalRule, 
cut, 
introduction, 
isect_memberFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}[g:GeometryPrimitives].  \mforall{}[l,m:Line].    (l  \mequiv{}  m  \mmember{}  \mBbbP{})
Date html generated:
2018_05_22-PM-01_00_37
Last ObjectModification:
2018_05_21-AM-01_32_57
Theory : euclidean!plane!geometry
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