If you select fraction then in the top box of the fraction select matrix and choose a 2x1 matrix then you get two lines on the top of the fraction.

I also chose a 1x1 matrix on the bottom so the format is the same.

The only draw back is that the bottom of the fraction is not left aligned.

See attched.


Geoff

On Fri, 8 Apr 2005, Matt Williams wrote:

Dear List,

I'm trying to insert a (logical) formula, of the form:


a,b,c if a,b,c -> d --------- d

I'm trying to do it using a fraction, but don't know how to get a double
top line. Any ideas?

Matt

Lyx 1.3.5 on Linux fc3

Attachment: logic.pdf
Description: Adobe PDF document



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