feat(library/standard): add basic properties of binary functions
feat(library/standard): add basic properties of binary functions

Signed-off-by: Leonardo de Moura <7610bae85f2b530654cc716772f1fe653373e892@microsoft.com>

soonhokong/lean-osx,soonhokong/lean,fgdorais/lean,leodemoura/lean,soonhokong/lean-osx,johoelzl/lean,rlewis1988/lean,soonhokong/lean,leodemoura/lean,johoelzl/lean,digama0/lean,levnach/lean,digama0/lean,digama0/lean,javra/lean,leanprover/lean,johoelzl/lean,soonhokong/lean-windows,levnach/lean,avigad/lean,soonhokong/lean-windows,htzh/lean,levnach/lean,c-cube/lean,dselsam/lean,rlewis1988/lean,soonhokong/lean-osx,javra/lean,fpvandoorn/lean,eigengrau/lean,javra/lean,javra/lean,Kha/lean,avigad/lean,leanprover-community/lean,c-cube/lean,dselsam/lean,c-cube/lean,soonhokong/lean-osx,fpvandoorn/lean2,fgdorais/lean,fgdorais/lean,eigengrau/lean,sp3ctum/lean,leanprover/lean,rlewis1988/lean,fpvandoorn/lean,sp3ctum/lean,soonhokong/lean-windows,dselsam/lean,leanprover-community/lean,rlewis1988/lean,soonhokong/lean,digama0/lean,fpvandoorn/lean2,sp3ctum/lean,eigengrau/lean,fgdorais/lean,UlrikBuchholtz/lean,sp3ctum/lean,johoelzl/lean,soonhokong/lean-windows,levnach/lean,fgdorais/lean,Kha/lean,dselsam/lean,eigengrau/lean,levnach/lean,soonhokong/lean-windows,fpvandoorn/lean,johoelzl/lean,leanprover-community/lean,fgdorais/lean,avigad/lean,fpvandoorn/lean2,digama0/lean,avigad/lean,johoelzl/lean,javra/lean,sp3ctum/lean,rlewis1988/lean,htzh/lean,digama0/lean,fpvandoorn/lean,leanprover/lean,htzh/lean,eigengrau/lean,avigad/lean,c-cube/lean,Kha/lean,Kha/lean,leodemoura/lean,UlrikBuchholtz/lean,UlrikBuchholtz/lean,soonhokong/lean,leodemoura/lean,leodemoura/lean,avigad/lean,fpvandoorn/lean2,leanprover-community/lean,soonhokong/lean,leanprover-community/lean,c-cube/lean,Kha/lean,Kha/lean,leodemoura/lean,leanprover/lean,UlrikBuchholtz/lean,leanprover/lean,htzh/lean,rlewis1988/lean,fpvandoorn/lean,leanprover-community/lean,dselsam/lean,UlrikBuchholtz/lean,leanprover/lean,dselsam/lean,soonhokong/lean-osx,fpvandoorn/lean,htzh/lean,fpvandoorn/lean2