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import TestGame.Metadata
import Std.Tactic.RCases
import Mathlib.Tactic.LeftRight
import TestGame.ToBePorted
Game "TestGame"
World "Contradiction"
Level 2
Title "Ad absurdum"
Introduction
"
Ähnlich siehts aus, wenn man Annahmen hat, die direkte Negierung voneinander sind,
also `(h : A)` und `(g : ¬ A)`. (`\\not`)
"
Statement
"Ein Widerspruch impliziert alles."
(n : ℕ) (h : even n) (g : ¬ (even n)) : n = 128 := by