Hinny is easier to obtain when the lower chromosome count, the donkey, is in the male. Therefore breeding for hinnies is more hit-and-miss than breeding for mules." The male hinny or mule can and will mate, but the emission is not fertile. Male hinnies and mules are usually castrated to help control their behavior by eliminating their interest in females. Female hinnies and mules are not customarily spayed, and may or may not go through estrus. Female mules have been known, on rare occasions, to produce offspring when mated to a horse or donkey, although this is extremely uncommon. Since 1527,
When a white horse is not a horse term" and "shi" "solid; true, actual; fact, reality", and abstract "zhi" "finger; pointing; designation; universal" like "whiteness" and concrete "wu" "thing; object; particular" like a "white horse". The Chinese of "a white horse is not a horse" is "bai ma fei ma" 白馬非馬, whose meaning hinges upon the negative "fei" "not, is not; no, negative; oppose; wrong". The Classical construction "A "fei" B" "A非B" can ambiguously mean either "A is not a member of the class B" or "A is not identical to B". Interpreting this equivocation fallacy, A.C. Graham says this "white horse" vs. "horse" paradox plays upon the