[isabelle-dev] Abbreviation for \<leftarrow>

Florian Haftmann florian.haftmann at informatik.tu-muenchen.de
Thu Mar 6 19:44:38 CET 2014

> Now I also remember why <- is not an abbreviations: for analogy with the
> double arrow: <= is important as \<le>, and not an arrow.

In PROLOG tradition, there is a preference for =< to denote »less or
equal«, to keep <= as double left arrow.  But this is maybe too late to
change such a fundamental thing.



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