The following table summarises the predefined global operators in ECLiPSe. They can be redefined or erased on a per-module basis by hiding them with a user-defined local operator using op/3.
Prec Assoc Operators
1200 xfx [-->, :-, ?-, if]
1200 fx [:-, ?-]
1190 fy [help]
1190 fx [delay]
1180 fx [-?->]
1170 xfy [else]
1160 fx [if]
1150 xfx [then]
1100 xfy [;, do, '|']
1050 xfy [->]
1050 xfx [*->, except, from]
1050 fy [import, reexport]
1000 xfy [,]
1000 fy [abolish, demon, dynamic, export, global,
listing, local, mode, nospy, parallel, skipped,
spy, traceable, unskipped, untraceable]
900 fy [\+, not, once, ~]
700 xfx [#<, #<=, #=, #=<, #>, #>=, #\=, ::,
<, =, =.., =:=, =<, ==, =\=, >, >=,
@<, @=<, @>, @>=, \=, \==, is, ~=]
650 xfx [@, of, with]
600 xfy [:]
600 xfx [..]
500 yfx [+, -, /\, \/]
400 yfx [*, /, //, <<, >>, div, mod, rem]
200 xfy [^]
200 fy [+, -, \]