[Axiom-developer] [#155 failed coercion between Expression Fraction Integer and Expression Float in exponents] Is Axiom confused? I am.

[Bill Page]

Changes 
http://page.axiom-developer.org/zope/mathaction/155FailedCoercionBetweenExpressionFractionIntegerAndExpressionFloatInExponents/diff
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If
\begin{axiom}
exp(-0.02*t) :: Expression Fraction Integer
\end{axiom}
then why?
\begin{axiom}
exp(-1*(1/50)*t)
\end{axiom}
Is Axiom confused about the definition of the type
Expression Integer? What exactly is it that is supposed
to be an Integer in each case above?
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forwarded from http://page.axiom-developer.org/zope/mathaction/address@hidden