/text/smath/01/03091502.xhp relations operators;list of Relations Typed command(s) Symbol in Elements pane Meaning < or lt Icon Less than << or ll Much less than <= or le Icon Less than or equal to <> or neq Icon Not equal = Icon Equation > or gt Icon Greater than >= or ge Icon Greater than or equal to >> or gg Much greater than approx Icon Is approximately def is defined as/by definition equal to divides Icon divides dlarrow Icon Arrow with double line to the left dlrarrow Icon Arrow with double line to the left and the right drarrow Icon Arrow with double line to the right equiv Icon Is equivalent/congruent to geslant Icon Greater than-equal to leslant Icon Less than-equal to ndivides Icon does not divide ortho Icon Is orthogonal to parallel Icon Is parallel to prop Icon Is proportional to sim Icon Is similar to simeq Icon Is similar or equal to toward Icon Toward prec Icon Precedes nprec Icon Not precedes succ Icon Succeeds nsucc Icon Not succeeds preccurlyeq Icon Precedes or equal to succcurlyeq Icon Succeeds or equal to precsim Icon Precedes or equivalent to succsim Icon Succeeds or equivalent to transl Correspondence symbol image of transr Correspondence symbol original of