RE: Flip a rule

*To*: mathgroup at smc.vnet.net*Subject*: [mg28408] RE: [mg28382] Flip a rule*From*: "Barthelet, Luc" <lucb at ea.com>*Date*: Mon, 16 Apr 2001 03:29:03 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

(e^t\[Rule]Blah)[[{2,1}]] gives what you want. To understand why I suggest you use FullForm[] FullForm[ e^t->Blah] -----Original Message----- From: Sorry Charlie [mailto:nothanks at goaway.com] To: mathgroup at smc.vnet.net Subject: [mg28408] [mg28382] Flip a rule Is there any automated way in mathematica to flip a rule? For example, how to input this rule: "E^t -> blah" and output this one "blah -> E^t"