Nuprl Lemma : euclidean-plane-subtype-oriented
EuclideanPlane ⊆r OrientedPlane
Proof
Definitions occuring in Statement : 
oriented-plane: OrientedPlane
, 
euclidean-plane: EuclideanPlane
, 
subtype_rel: A ⊆r B
Definitions unfolded in proof : 
oriented-plane: OrientedPlane
, 
member: t ∈ T
, 
subtype_rel: A ⊆r B
Lemmas referenced : 
euclidean-plane_wf
Rules used in proof : 
hypothesis, 
extract_by_obid, 
introduction, 
cut, 
hypothesisEquality, 
sqequalRule, 
sqequalHypSubstitution, 
lambdaEquality, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
EuclideanPlane  \msubseteq{}r  OrientedPlane
Date html generated:
2017_10_02-PM-04_49_10
Last ObjectModification:
2017_08_05-AM-11_31_16
Theory : euclidean!plane!geometry
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