fix(library/init/algebra.lean): avoid use of mul in translating additive to multiplicative
fix(library/init/algebra.lean): avoid use of mul in translating additive to multiplicative

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