You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
|
|
|
import TestGame.Metadata
|
|
|
|
|
|
|
|
|
|
|
|
import Mathlib.Data.Set.Basic
|
|
|
|
|
|
|
|
|
|
|
|
set_option tactic.hygienic false
|
|
|
|
|
|
|
|
|
|
|
|
Game "TestGame"
|
|
|
|
|
|
World "SetTheory"
|
|
|
|
|
|
Level 8
|
|
|
|
|
|
|
|
|
|
|
|
Title "Schnittmenge und Vereinigung"
|
|
|
|
|
|
|
|
|
|
|
|
Introduction
|
|
|
|
|
|
"
|
|
|
|
|
|
Ansonsten gibt es jegliche Lemmas in
|
|
|
|
|
|
|
|
|
|
|
|
`import Mathlib.Data.Set.Basic`
|
|
|
|
|
|
|
|
|
|
|
|
die beim Umgang mit diesen Operationen weiterhelfen. Schaue in der Bibliothek auf
|
|
|
|
|
|
der Seite nach Lemmas, die dir hier weiterhelfen!
|
|
|
|
|
|
"
|
|
|
|
|
|
|
|
|
|
|
|
open Set
|
|
|
|
|
|
|
|
|
|
|
|
Statement
|
|
|
|
|
|
""
|
|
|
|
|
|
(A B : Set ℕ) : univ \ (A ∩ B) = (univ \ A) ∪ (univ \ B) ∪ (A \ B) := by
|
|
|
|
|
|
rw [diff_inter]
|
|
|
|
|
|
rw [union_assoc]
|
|
|
|
|
|
rw [←union_diff_distrib]
|
|
|
|
|
|
rw [univ_union]
|
|
|
|
|
|
|
|
|
|
|
|
NewTactics constructor intro rw assumption rcases simp tauto trivial
|
|
|
|
|
|
|
|
|
|
|
|
NewLemmas Subset.antisymm_iff empty_subset
|
