Returns the inverse element of a
such that (a |+|? a.inverse).get
is an identity.
Returns the inverse element of a
such that (a |+|? a.inverse).get
is an identity.
Tests if a
is an identity.
Tests if a
is an identity.
Returns the left identity of a
.
Returns the left identity of a
.
Returns the right identity of a
.
Returns the right identity of a
.