Exercise algebra.equations.quadratic.no-abc
Description
solve a quadratic equation without abc-formula
Firsts
Rule zeroform.exit Location [] Term "Just (TCon logic1.or [TCon relation1.eq [TVar \"x\",TNum 0],TCon relation1.eq [TVar \"x\",TNum 2]])" Focus "Just (TCon logic1.or [TCon relation1.eq [TVar \"x\",TNum 0],TCon relation1.eq [TVar \"x\",TNum 2]])" Environment