feat(library/equations_compiler/structural_rec): process aux lemmas
feat(library/equations_compiler/structural_rec): process aux lemmas

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