Possible Duplicate:
How to strike through obliquely, e.g. to indicate cancellation?
How can I type a slash through a letter (specifically an 'R' as in 'not related to') in math mode? Thanks.
Possible Duplicate:
How to strike through obliquely, e.g. to indicate cancellation?
How can I type a slash through a letter (specifically an 'R' as in 'not related to') in math mode? Thanks.
cancelpackage with\cancel{R}. – azetina Aug 17 '12 at 17:12