31. The ordinal numbers are regular adjectives in Slovene. 32. They will preside over their own durable party system, whatever ordinal number history will assign it. 33. Ordinal numbers behave and inflect like superlative adjectives.34. Schr�der also made original contributions to algebra, set theory, lattice theory, ordered sets and ordinal numbers . 35. As year and day elements in Hungarian are ordinal numbers , they are followed by a dot. 36. He retained his baptismal name, adding to it only an ordinal number ( Marcellus II ). 37. This form of ordinal number is thus a canonical representative of the earlier form of equivalence class. 38. Medieval theorists called these pairs " maneriae " and labeled them according to the Greek ordinal numbers . 39. They are generalisations of the ordinal numbers . 40. Ordinal numbers are formed by suffixing to the cardinal, e . g . : " fourth ".