∀multiply:∀_:Univ.∀_:Univ.Univ.
∀H0:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (multiply (multiply X (multiply Y Z)) X) (multiply (multiply X Y) (multiply Z X)).
∀H1:∀X:Univ.eq Univ (multiply (left_inverse X) X) identity.
∀multiply:∀_:Univ.∀_:Univ.Univ.
∀H0:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (multiply (multiply X (multiply Y Z)) X) (multiply (multiply X Y) (multiply Z X)).
∀H1:∀X:Univ.eq Univ (multiply (left_inverse X) X) identity.