Step
*
1
of Lemma
q-min-exists
∃a:ℚ. ((a ∈ []) supposing ¬True ∧ (∀a'∈[].a ≤ a'))
BY
{ (With ⌜0⌝ (D 0)⋅ THEN Auto THEN D 0 THEN Auto THEN Reduce (-1) THEN Auto) }
Latex:
Latex:
\mexists{}a:\mBbbQ{}. ((a \mmember{} []) supposing \mneg{}True \mwedge{} (\mforall{}a'\mmember{}[].a \mleq{} a'))
By
Latex:
(With \mkleeneopen{}0\mkleeneclose{} (D 0)\mcdot{} THEN Auto THEN D 0 THEN Auto THEN Reduce (-1) THEN Auto)
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