import GameServer.Commands
import TestGame.MyNat

LemmaDoc zero_add as zero_add in "Addition"
"This lemma says `∀ a : ℕ, 0 + a = a`."

LemmaDoc add_zero as add_zero in "Addition"
"This lemma says `∀ a : ℕ, a + 0 = a`."

LemmaDoc add_succ as add_succ in "Addition"
"This lemma says `∀ a b : ℕ, a + succ b = succ (a + b)`."

LemmaSet addition : "Addition lemmas" := 
zero_add add_zero