Step
*
of Lemma
rlog-rexp
∀[x:ℝ]. (rlog(e^x) = x)
BY
{ (Auto
THEN (InstLemma `antiderivatives-equal` [⌜(-∞, ∞)⌝;⌜λ2x.r1⌝;⌜λ2x.x⌝;⌜λ2x.rlog(e^x)⌝]⋅
THENM (InstHyp [⌜x⌝] (-1)⋅ THEN Auto)
)
THEN Auto) }
1
.....antecedent.....
1. x : ℝ
⊢ d(rlog(e^x))/dx = λx.r1 on (-∞, ∞)
2
.....antecedent.....
1. x : ℝ
⊢ ∃x:{x:ℝ| x ∈ (-∞, ∞)} . (x = rlog(e^x))
Latex:
Latex:
\mforall{}[x:\mBbbR{}]. (rlog(e\^{}x) = x)
By
Latex:
(Auto
THEN (InstLemma `antiderivatives-equal` [\mkleeneopen{}(-\minfty{}, \minfty{})\mkleeneclose{};\mkleeneopen{}\mlambda{}\msubtwo{}x.r1\mkleeneclose{};\mkleeneopen{}\mlambda{}\msubtwo{}x.x\mkleeneclose{};\mkleeneopen{}\mlambda{}\msubtwo{}x.rlog(e\^{}x)\mkleeneclose{}]\mcdot{}
THENM (InstHyp [\mkleeneopen{}x\mkleeneclose{}] (-1)\mcdot{} THEN Auto)
)
THEN Auto)
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