ó ¡¼™\c@s<dZddlmZddlmZmZmZmZdS(s1 A module that helps solving problems in physics i(tunits(tmgammatmsigmatminkowski_tensortmdftN(t__doc__tRtmatricesRRRR(((s5lib/python2.7/site-packages/sympy/physics/__init__.pyts