“…Two models of fuzzy quantum posets were considered by A. Dvurecenskij, F. Chovanec, F. Kopka and L. B. Long in [1,2,3,4,8], where two fuzzy sets a and b are said to be orthogonal, notation aJ_6 iff a + 6 ^ 1, and fuzzy orthogonal, notation a±.pb iff a D b ^ ~. (See also Mesiar [9].)…”