Step
*
of Lemma
rv-Tsep-alt'
∀n:ℕ. ∀a,b,c,d:ℝ^n. ((¬¬(∃u,v,w:ℝ^n. ((¬(u ≠ v ∧ v ≠ w ∧ (¬u-v-w))) ∧ ab=uv ∧ cd=uw)))
⇒ a ≠ b
⇒ c ≠ d)
BY
{ (InstLemma `rv-Tsep-alt` [] THEN RWO "rv-T-iff" (-1) THEN Auto) }
Latex:
Latex:
\mforall{}n:\mBbbN{}. \mforall{}a,b,c,d:\mBbbR{}\^{}n.
((\mneg{}\mneg{}(\mexists{}u,v,w:\mBbbR{}\^{}n. ((\mneg{}(u \mneq{} v \mwedge{} v \mneq{} w \mwedge{} (\mneg{}u-v-w))) \mwedge{} ab=uv \mwedge{} cd=uw))) {}\mRightarrow{} a \mneq{} b {}\mRightarrow{} c \mneq{} d)
By
Latex:
(InstLemma `rv-Tsep-alt` [] THEN RWO "rv-T-iff" (-1) THEN Auto)
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