o *ήcdã@s(ddlmZmZddlmZdd„ZdS)é)ÚexhaustÚ multiplex)Útop_downcGstttt|ƒŽƒS)zÌ 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. )rrÚmapr)Úrules©rúD/tmp/pip-target-vg8gfxp4/lib/python/sympy/strategies/branch/tools.pyÚcanonsr N)ÚcorerrÚtraverserr rrrrÚs