You can hover in the output panel, but you won't see types of constants
there.
Dmitriy
On 24.06.2015 16:09, Manuel Eberl wrote:
Ah, I see the problem. In that case, one could still hover over the
"of_nat" in the output window, but it is perhaps not ideal.
On 24/06/15 16:08, Dmitriy Traytel wrote:
I guess what Larry means is there is no way to see a type of a
constant that is not there in the source.
Consider e.g.
declare [[coercion "of_nat :: nat ⇒ real"]]
term "sqrt (2 :: nat)"
Today the output says "sqrt (real_of_nat 2)". But if there would be
no abbreviation for "of_nat :: nat ⇒ real", how would you deduce the
type of the coercion.
Dmitriy
On 24.06.2015 16:01, Manuel Eberl wrote:
On 24/06/15 15:55, Larry Paulson wrote:
A more appropriate point is that it can be tricky in Isabelle/jEdit
to determine the type of an expression such as “of_nat k”, as there
is nothing to click on.
When I type ‘term "sqrt (of_nat 2)"’ and hover over the ‘of_nat’, it
says ‘constant "Nat.semiring_1_class.of_nat" :: nat ⇒ real’.
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