FullForm puzzle.

*To*: mathgroup at smc.vnet.net*Subject*: [mg106248] FullForm puzzle.*From*: Jack L Goldberg 1 <jackgold at umich.edu>*Date*: Wed, 6 Jan 2010 05:59:29 -0500 (EST)

I wonder why two apparently identical output forms have different FullForms. (1) FullForm[ 2<= x< =3] returns LessEqual[2,x,3] while (2) Reduce[ 2<=x && x<=3 ] returns 2 <= x <= 3 whose FullForm is Inequality[2,LessEqual,x,LessEqual,3]. Any thoughts? Jack