proposition: Lemma leftmost_path_length_many_poly_abs {n t} : leftmost_path_length (many_poly_abs n t) = leftmost_path_length t.
proof: Proof. by elim: n. Qed.
imports: List Lia Relation_Definitions Relation_Operators Operators_Properties Undecidability.SystemF.SysF Undecidability.SystemF.Autosubst.syntax Undecidability.SystemF.Autosubst.unscoped Undecidability.SystemF.Util(Facts poly_type_facts pure_term_facts term_facts typing_facts iipc2_facts pure_typing_facts) ssreflect ssrbool ssrfun