Nuprl Lemma : heyting-geometry-subtype
HeytingGeometry ⊆r EuclideanPlane
Proof
Definitions occuring in Statement : 
heyting-geometry: HeytingGeometry
, 
euclidean-plane: EuclideanPlane
, 
subtype_rel: A ⊆r B
Definitions unfolded in proof : 
heyting-geometry: HeytingGeometry
, 
member: t ∈ T
, 
subtype_rel: A ⊆r B
Lemmas referenced : 
heyting-geometry_wf
Rules used in proof : 
hypothesis, 
extract_by_obid, 
introduction, 
cut, 
hypothesisEquality, 
sqequalRule, 
sqequalHypSubstitution, 
lambdaEquality, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
HeytingGeometry  \msubseteq{}r  EuclideanPlane
Date html generated:
2017_10_02-PM-07_00_26
Last ObjectModification:
2017_08_08-PM-00_34_57
Theory : euclidean!plane!geometry
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