Open spl opened 6 years ago
See https://gitter.im/leanprover_public/Lobby?at=5a398181a2be466828c049f7
rcases source: https://github.com/leanprover/mathlib/blob/902b94d3075b44601d2ee4bd74898510a0aa26ed/tactic/rcases.lean
rcases
Also by_cases:
by_cases
See https://gitter.im/leanprover_public/Lobby?at=5a398181a2be466828c049f7