@ -4,3 +4,7 @@ import TestGame.Levels.Contradiction.L03_ByContra
import TestGame.Levels.Contradiction.L04_ByContra
import TestGame.Levels.Contradiction.L05_Contrapose
import TestGame.Levels.Contradiction.L06_Summary
Game "TestGame"
World "Predicate"
Title "Widerspruch"
@ -13,4 +13,4 @@ import TestGame.Levels.Implication.L12_Summary
World "Implication"
Title "Meer der Implikationen"
Title "Aussagenlogik 2"
@ -2,3 +2,7 @@ import TestGame.Levels.Induction.L01_Simp
import TestGame.Levels.Induction.L02_Sum
import TestGame.Levels.Induction.L03_Induction
import TestGame.Levels.Induction.L04_SumOdd
Title "Induktion"
@ -10,4 +10,4 @@ import TestGame.Levels.Predicate.L09_Summary
Title "Reich der Prädikate"
Title "Prädikate"
@ -14,4 +14,4 @@ import TestGame.Levels.Proposition.L13_Summary
World "Proposition"
Title "Land der Proposititionen"
Title "Aussagenlogik 1"
@ -1,8 +1,10 @@
import Mathlib
lemma not_odd {n : ℕ} : ¬ Odd n ↔ Even n := by sorry
lemma not_odd {n : ℕ} : ¬ Odd n ↔ Even n := by
sorry
lemma not_even {n : ℕ} : ¬ Even n ↔ Odd n := by sorry
lemma not_even {n : ℕ} : ¬ Even n ↔ Odd n := by
lemma even_square (n : ℕ) : Even n → Even (n ^ 2) := by
intro ⟨x, hx⟩