Nuprl Lemma : basic-projective-plane_wf
BasicProjectivePlane ∈ 𝕌'
Proof
Definitions occuring in Statement : 
basic-projective-plane: BasicProjectivePlane
, 
member: t ∈ T
, 
universe: Type
Definitions unfolded in proof : 
prop: ℙ
, 
uimplies: b supposing a
, 
guard: {T}
, 
subtype_rel: A ⊆r B
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
basic-projective-plane: BasicProjectivePlane
Lemmas referenced : 
pgeo-primitives_wf, 
projective-plane-structure_wf, 
subtype_rel_transitivity, 
projective-plane-structure-complete_subtype, 
projective-plane-structure_subtype, 
basic-pgeo-axioms_wf, 
projective-plane-structure-complete_wf
Rules used in proof : 
independent_isectElimination, 
instantiate, 
applyEquality, 
hypothesisEquality, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
cumulativity, 
hypothesis, 
extract_by_obid, 
introduction, 
cut, 
setEquality, 
computationStep, 
sqequalTransitivity, 
sqequalReflexivity, 
sqequalRule, 
sqequalSubstitution
Latex:
BasicProjectivePlane  \mmember{}  \mBbbU{}'
Date html generated:
2018_05_22-PM-00_33_46
Last ObjectModification:
2017_11_27-AM-09_19_51
Theory : euclidean!plane!geometry
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