Nuprl Lemma : basic-projective-plane-subtype
BasicProjectivePlane ⊆r ProjectivePlaneStructure
Proof
Definitions occuring in Statement : 
basic-projective-plane: BasicProjectivePlane
, 
projective-plane-structure: ProjectivePlaneStructure
, 
subtype_rel: A ⊆r B
Definitions unfolded in proof : 
basic-projective-plane: BasicProjectivePlane
, 
member: t ∈ T
, 
subtype_rel: A ⊆r B
Lemmas referenced : 
basic-projective-plane_wf
Rules used in proof : 
hypothesis, 
extract_by_obid, 
introduction, 
cut, 
hypothesisEquality, 
rename, 
thin, 
setElimination, 
sqequalHypSubstitution, 
lambdaEquality, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
BasicProjectivePlane  \msubseteq{}r  ProjectivePlaneStructure
Date html generated:
2018_05_22-PM-00_33_56
Last ObjectModification:
2017_11_27-PM-01_26_20
Theory : euclidean!plane!geometry
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