Nuprl Lemma : geo-sep-irrefl'

e:EuclideanPlane. ∀[a:Point]. False supposing a ≠ a


Proof




Definitions occuring in Statement :  euclidean-plane: EuclideanPlane geo-sep: a ≠ b geo-point: Point uimplies: supposing a uall: [x:A]. B[x] all: x:A. B[x] false: False
Definitions unfolded in proof :  implies:  Q not: ¬A guard: {T} subtype_rel: A ⊆B prop: false: False uimplies: supposing a member: t ∈ T uall: [x:A]. B[x] all: x:A. B[x]
Lemmas referenced :  geo-sep-irrefl2 geo-point_wf geo-primitives_wf euclidean-plane-structure_wf euclidean-plane_wf subtype_rel_transitivity euclidean-plane-subtype euclidean-plane-structure-subtype geo-sep_wf
Rules used in proof :  dependent_functionElimination independent_functionElimination equalitySymmetry equalityTransitivity voidElimination isect_memberEquality independent_isectElimination instantiate applyEquality hypothesisEquality thin isectElimination extract_by_obid because_Cache sqequalHypSubstitution sqequalRule hypothesis cut introduction isect_memberFormation lambdaFormation sqequalReflexivity computationStep sqequalTransitivity sqequalSubstitution

Latex:
\mforall{}e:EuclideanPlane.  \mforall{}[a:Point].  False  supposing  a  \mneq{}  a



Date html generated: 2017_10_02-PM-04_40_19
Last ObjectModification: 2017_08_08-PM-01_49_21

Theory : euclidean!plane!geometry


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