YES

---- CR(R)
---- Hot decreasingness.
R:
+(x,y) -> +(y,x)
*(+(x,y),z) -> +(*(x,z),*(y,z))
*(+(y,x),z) -> +(*(x,z),*(y,z))

C:
*(+(x,y),z) -> +(*(x,z),*(y,z))
*(+(y,x),z) -> +(*(x,z),*(y,z))

Label:
[+(x,y) -> +(y,x)] = 0