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lean4game/server/testgame/TestGame/Levels/Induction/T02_Induction.lean

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set theory levels
2 years ago
import Mathlib.Algebra.BigOperators.Basic
import Mathlib
import TestGame.Metadata
set_option tactic.hygienic false
Game "TestGame"
World "Induction"
Level 2
Title "endliche Summe"
Introduction
"
n^3 + 2n ist durch 3 teilbar für alle ganzen Zahlen n
"
Statement
"n^3 + 2n ist durch 3 teilbar für alle ganzen Zahlen n"
levels
2 years ago
(n : ℤ) : 3 ∣ n^3 + 2*n := by
induction n
sorry
set theory levels
2 years ago
sorry
compute which tactics are available in which level
2 years ago
NewTactics rw simp ring