{"ref":"refs/heads/equal","commits":[{"author":{"name":"Chris Smith","email":"b274abc493535ae88cb3a0742f63e38c9241d67c@gmail.com"},"sha":"7354c12091a8a9c781abc58d4c0926e4c415f4d9","message":"added equals method to expr\n\n>>> x**2-1\nx**2 - 1\n>>> _.equals((x+1)*(x-1))\nTrue\n>>> (cos(x)**2+sin(x)**2).equals(1)\nTrue\n>>> (a*cos(x)**2+a*sin(x)**2).equals(a)\nTrue","url":"https://api.github.com/repos/smichr/sympy/commits/7354c12091a8a9c781abc58d4c0926e4c415f4d9"}],"head":"7354c12091a8a9c781abc58d4c0926e4c415f4d9","push_id":51283769,"size":1}