The following happens when I enter the following in 4.7.1

y = function('y',x)
a = 1 + diff(y,x) == 0
integrate(a,x)

I get:

x + y(x) == c2 + integrate(0, x)

Any idea why sage doesn't reduce integrate(0,x) to zero in this case?
If it's not a simple "feature", I'll enter this in trac.

Joal Heagney


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