English
The double application of TransGen yields the same as a single application: ReflTransGen(ReflTransGen r) = ReflTransGen r.
Русский
Двойное применение TransTransGen даёт то же, что и единичное: ReflTransGen(ReflTransGen r) = ReflTransGen r.
LaTeX
$$$$\\operatorname{ReflTransGen}(\\operatorname{ReflTransGen} r) = \\operatorname{ReflTransGen} r$$$$
Lean4
theorem reflTransGen_idem : ReflTransGen (ReflTransGen r) = ReflTransGen r :=
reflTransGen_eq_self reflexive_reflTransGen transitive_reflTransGen