Datasets:
| import Mathlib.Data.Set.Basic | |
| import Library.Tactic.Define.Attr | |
| attribute [default_instance] Set.instSingletonSet | |
| attribute [default_instance] Set.instEmptyCollectionSet | |
| @[simp] theorem Set.singleton_def' (a : α) : ({a} : Set α) = {b | b = a} := rfl | |
| attribute [set_simps] ne_eq iff_false false_iff true_iff iff_true | |
| imp_false true_imp_iff not_false_iff false_imp_iff imp_true_iff | |
| or_false false_or and_false false_and or_true true_or and_true true_and | |
| Set.mem_setOf_eq Set.subset_def Set.ext_iff Set.singleton_def' Set.mem_insert_iff | |
| Set.mem_union Set.mem_inter_iff Set.mem_compl_iff Set.mem_empty_iff_false Set.mem_univ | |
| open Lean.TSyntax.Compat | |
| macro_rules | |
| | `(tactic| dsimp [$t,*] $[$loc:location]?) => | |
| `(tactic| simp (config := { decide := false }) only [$t,*, set_simps] $(loc)?) | |
| macro_rules | |
| | `(tactic| dsimp $[$loc:location]?) => | |
| `(tactic| simp (config := { decide := false }) only [set_simps] $[$loc]?) | |
| attribute [aesop safe apply] Set.ext | |