Nuprl Lemma : geo-congruent-flip2

e:EuclideanPlane. ∀[a,b:Point].  ab ≅ ba


Proof




Definitions occuring in Statement :  euclidean-plane: EuclideanPlane geo-congruent: ab ≅ cd geo-point: Point uall: [x:A]. B[x] all: x:A. B[x]
Definitions unfolded in proof :  all: x:A. B[x] uall: [x:A]. B[x] member: t ∈ T euclidean-plane: EuclideanPlane geo-congruent: ab ≅ cd not: ¬A implies:  Q false: False subtype_rel: A ⊆B guard: {T} uimplies: supposing a and: P ∧ Q sq_stable: SqStable(P) squash: T

Latex:
\mforall{}e:EuclideanPlane.  \mforall{}[a,b:Point].    ab  \mcong{}  ba



Date html generated: 2020_05_20-AM-09_44_36
Last ObjectModification: 2020_01_27-PM-09_49_00

Theory : euclidean!plane!geometry


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