Step
*
of Lemma
q-square-positive
∀[q:ℚ]. 0 < q * q supposing ¬(q = 0 ∈ ℚ)
BY
{ (Auto THEN InstLemma `q-square-non-neg`[⌜q⌝]⋅ THEN Auto) }
1
1. q : ℚ
2. ¬(q = 0 ∈ ℚ)
3. 0 ≤ (q * q)
⊢ 0 < q * q
Latex:
Latex:
\mforall{}[q:\mBbbQ{}].  0  <  q  *  q  supposing  \mneg{}(q  =  0)
By
Latex:
(Auto  THEN  InstLemma  `q-square-non-neg`[\mkleeneopen{}q\mkleeneclose{}]\mcdot{}  THEN  Auto)
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