Nuprl Lemma : geo-sas2
∀e:BasicGeometry. ∀a,b,c,A,B,C:Point.  bc ≅ BC supposing (ab ≅ AB ∧ ac ≅ AC) ∧ bac ≅a BAC
Proof
Definitions occuring in Statement : 
geo-cong-angle: abc ≅a xyz
, 
basic-geometry: BasicGeometry
, 
geo-congruent: ab ≅ cd
, 
geo-point: Point
, 
uimplies: b supposing a
, 
all: ∀x:A. B[x]
, 
and: P ∧ Q
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
uimplies: b supposing a
, 
member: t ∈ T
, 
and: P ∧ Q
, 
geo-cong-angle: abc ≅a xyz
, 
exists: ∃x:A. B[x]
, 
basic-geometry: BasicGeometry
, 
implies: P 
⇒ Q
, 
uall: ∀[x:A]. B[x]
, 
cand: A c∧ B
, 
subtype_rel: A ⊆r B
, 
prop: ℙ
, 
guard: {T}
, 
geo-congruent: ab ≅ cd
, 
not: ¬A
, 
false: False
Latex:
\mforall{}e:BasicGeometry.  \mforall{}a,b,c,A,B,C:Point.    bc  \mcong{}  BC  supposing  (ab  \mcong{}  AB  \mwedge{}  ac  \mcong{}  AC)  \mwedge{}  bac  \mcong{}\msuba{}  BAC
Date html generated:
2020_05_20-AM-09_58_50
Last ObjectModification:
2019_12_26-PM-08_32_27
Theory : euclidean!plane!geometry
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