Type Definition prop::And
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Get excluded middle rule.
The associated homotopy level.
Relation constructor.
hom_eq(n, a, b) ⋀ hom_eq(n, b, c) => hom_eq(n, a, c).
hom_eq(n, a, b) => hom_eq(n, b, a).
Cast to self.
Cast to other.