Re: Simplify with NestedLessLess?

*To*: mathgroup at smc.vnet.net*Subject*: [mg106520] Re: Simplify with NestedLessLess?*From*: Dave Bird <dbird at ieee.org>*Date*: Fri, 15 Jan 2010 03:19:05 -0500 (EST)*References*: <himsqd$jd0$1@smc.vnet.net> <4B4F126E.4010304@metrohm.com>*Reply-to*: dbird at ieee.org

Thanks Daniel for the info. How does one "design a new operator" which Simplify could use as an assumption. I'm a Mathematica newby, so please excuse my ignorance. Thanks again, Dave dh wrote: > Hi Dave, > << does not have a meaning in mathematica. It is only a symbol. > Therefore your expression is not simplified. > You may define a new operator for your purposes. > Daniel > > dbird wrote: >> Please excuse if this has been answered before, but I can't find it. >> >> Is there some way to do a Simplify with assumptions using a >> NestedLessLess or something similar? For example: >> >> d=a+b >> Simplify[d,NestedLessLess[a,b]] >> >> Answer is: >> a+b >> >> Answer should be: >> b >> >> Thanks, >> >> Dave >> > > >