Skip to main content
3 events
when toggle format what by license comment
Dec 9, 2018 at 10:41 answer added Ben McKay timeline score: 1
Dec 9, 2018 at 10:39 comment added Ben McKay You need to assume that $\phi$ is defined somewhere on the image of $f$ to define $f^* \phi$, so as stated this doesn't quite work.
Dec 9, 2018 at 9:23 history asked Sien CC BY-SA 4.0