feat(library/init/algebra/classes): add is_incomp_trans type class
feat(library/init/algebra/classes): add is_incomp_trans type class

leanprover/lean,digama0/lean,leanprover/lean,leanprover-community/lean,Kha/lean,Kha/lean,leodemoura/lean,Kha/lean,leanprover/lean,leanprover-community/lean,digama0/lean,fpvandoorn/lean,dselsam/lean,leodemoura/lean,dselsam/lean,dselsam/lean,leanprover/lean,leodemoura/lean,leanprover/lean,dselsam/lean,fpvandoorn/lean,digama0/lean,leanprover-community/lean,leodemoura/lean,fpvandoorn/lean,leanprover-community/lean,Kha/lean,leodemoura/lean,Kha/lean,fpvandoorn/lean,digama0/lean,leanprover/lean,fpvandoorn/lean,Kha/lean,leanprover-community/lean,digama0/lean,digama0/lean,dselsam/lean,leodemoura/lean,fpvandoorn/lean,leanprover-community/lean,dselsam/lean