Nuprl Lemma : oriented-plane-subtype
OrientedPlane ⊆r EuclideanPlane
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 :
oriented-plane_wf
Rules used in proof :
hypothesis,
extract_by_obid,
introduction,
cut,
hypothesisEquality,
sqequalRule,
sqequalHypSubstitution,
lambdaEquality,
sqequalReflexivity,
computationStep,
sqequalTransitivity,
sqequalSubstitution
Latex:
OrientedPlane \msubseteq{}r EuclideanPlane
Date html generated:
2017_10_02-PM-04_46_25
Last ObjectModification:
2017_08_05-AM-10_13_40
Theory : euclidean!plane!geometry
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