ezyang’s blog

the arc of software bends towards understanding

Elimination with a Motive (in Coq)

Elimination rules play an important role in computations over datatypes in proof assistants like Coq. In his paper "Elimination with a Motive", Conor McBride argued that "we should exploit a hypothesis not in terms of its immediate consequences, but in terms of the leverage it exerts on an arbitrary goal: we should give elimination a […]

  • May 7, 2014