Was the promise sufficiently definite and certain? Let be a symmetric matrix of random variables that is positive definite. That said, there are some means of expressing whether a noun is definite or indefinite. There are no articles, neither definite nor indefinite. There are no definite or indefinite articles. Trompenaars found that different cultures had quite different expectations, from none to definite. There are various slightly different theorems called the second mean value theorem for definite integrals. It gives the structures a definite but pliable form. Another difference is in the placement of limits for definite integrals. He advocated for "one definite and simple understanding of Scripture". There are two articles in Modern Greek, the definite and the indefinite. It also distinguished definite and indefinite declensions. This is known as definite article reduction. The second was the law of definite proportions. Possessive determiners are not used in combination with articles or other definite determiners.