Step
*
of Lemma
lt-angle-not-cong2
∀e:EuclideanPlane. ∀a,b,c,x,y,z:Point. (abc < xyz
⇒ (¬abc ≅a xyz))
BY
{ ((Auto THEN D 0 THEN Auto)
THEN (InstLemma `geo-cong-angle-preserves-lt-angle` [⌜e⌝;⌜a⌝;⌜b⌝;⌜c⌝;⌜x⌝;⌜y⌝;⌜z⌝;⌜x⌝;⌜y⌝;⌜z⌝]⋅ THEN Auto)
THEN InstLemma `lt-angle-not-cong` [⌜e⌝;⌜x⌝;⌜y⌝;⌜z⌝]⋅
THEN Auto) }
Latex:
Latex:
\mforall{}e:EuclideanPlane. \mforall{}a,b,c,x,y,z:Point. (abc < xyz {}\mRightarrow{} (\mneg{}abc \mcong{}\msuba{} xyz))
By
Latex:
((Auto THEN D 0 THEN Auto)
THEN (InstLemma `geo-cong-angle-preserves-lt-angle` [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}a\mkleeneclose{};\mkleeneopen{}b\mkleeneclose{};\mkleeneopen{}c\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{};\mkleeneopen{}z\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{};\mkleeneopen{}z\mkleeneclose{}]\mcdot{}
THEN Auto
)
THEN InstLemma `lt-angle-not-cong` [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{};\mkleeneopen{}y\mkleeneclose{};\mkleeneopen{}z\mkleeneclose{}]\mcdot{}
THEN Auto)
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