Step
*
of Lemma
q-elim
∀r:ℚ. ∃p:ℤ. ∃q:ℕ+. ((¬(q = 0 ∈ ℚ)) c∧ (r = (p/q) ∈ ℚ))
BY
{ xxx(Auto THEN (InstLemma `equals-qrep` [⌜r⌝]⋅ THENA Auto) THEN (RevHypSubst (-1) 0) THEN Auto)xxx }
1
1. r : ℚ
2. qrep(r) = r ∈ ℚ
⊢ ∃p:ℤ. ∃q:ℕ+. ((¬(q = 0 ∈ ℚ)) c∧ (qrep(r) = (p/q) ∈ ℚ))
Latex:
Latex:
\mforall{}r:\mBbbQ{}. \mexists{}p:\mBbbZ{}. \mexists{}q:\mBbbN{}\msupplus{}. ((\mneg{}(q = 0)) c\mwedge{} (r = (p/q)))
By
Latex:
xxx(Auto THEN (InstLemma `equals-qrep` [\mkleeneopen{}r\mkleeneclose{}]\mcdot{} THENA Auto) THEN (RevHypSubst (-1) 0) THEN Auto)xxx
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