ó ¡¼™\c@ sIddlmZmZddlmZmZddlmZd„ZdS(iÿÿÿÿ(tprint_functiontdivisioni(texhaustt multiplex(ttop_downcG stttt|ƒŒƒS(sÌ Strategy for canonicalization Apply each branching rule in a top-down fashion through the tree. Multiplex through all branching rule traversals Keep doing this until there is no change. (RRtmapR(trules((s<lib/python2.7/site-packages/sympy/strategies/branch/tools.pytcanonsN( t __future__RRtcoreRRttraverseRR(((s<lib/python2.7/site-packages/sympy/strategies/branch/tools.pyts