feat(library/init/data/nat/basic): missing lemma
feat(library/init/data/nat/basic): missing lemma

johoelzl/lean,avigad/lean,Kha/lean,johoelzl/lean,johoelzl/lean,leodemoura/lean,fpvandoorn/lean,johoelzl/lean,rlewis1988/lean,leanprover/lean,rlewis1988/lean,dselsam/lean,leanprover/lean,Kha/lean,rlewis1988/lean,fpvandoorn/lean,leodemoura/lean,avigad/lean,digama0/lean,leodemoura/lean,leodemoura/lean,rlewis1988/lean,fpvandoorn/lean,digama0/lean,johoelzl/lean,leodemoura/lean,fpvandoorn/lean,avigad/lean,leanprover-community/lean,dselsam/lean,Kha/lean,leanprover-community/lean,fpvandoorn/lean,leanprover-community/lean,dselsam/lean,leanprover/lean,rlewis1988/lean,fpvandoorn/lean,dselsam/lean,avigad/lean,Kha/lean,digama0/lean,avigad/lean,dselsam/lean,Kha/lean,leanprover-community/lean,leanprover-community/lean,leanprover/lean,rlewis1988/lean,avigad/lean,leodemoura/lean,Kha/lean,leanprover-community/lean,dselsam/lean,digama0/lean,leanprover/lean,johoelzl/lean,leanprover/lean,digama0/lean,digama0/lean