n, m:, f, i:Top. (f^n+m(i)) ~ (f^n(f^m(i))) 

latex

Definitions	, t  T, x:A. B(x), P  Q, ij, Top, False, A, AB, f^n, b, Prop, b, , i=j, P & Q, P  Q, Unit
Lemmas	eqtt to assert, eqff to assert, iff transitivity, assert of bnot, not functionality wrt iff, assert of eq int, eq int wf, bool wf, bnot wf, not wf, assert wf, top wf, ge wf, nat properties, nat wf