21. Worth noting is that many theories of syntax do not acknowledge Logical Form ( e . g. 22. Now, philosophical logicians have concerned themselves to ascertain and classify the various possible logical forms of judgments. 23. Ivan Sag proposed two Logical Forms , one of which the coreferential pronoun is replaced by a bound variable. 24. It sets out in logical form the purposes and principles of the organization, its structure and its powers. 25. A standard view is that whether an argument is valid is a matter of the argument's logical form . 26. In this way it is similar in purpose to, but not the same as, logical form in logic. 27. Wittgenstein was insisting that a proposition and that which it describes must have the same'logical form ', the same'logical multiplicity '. 28. In argumentation theory or informal logic, an argument form is sometimes seen as a broader notion than the logical form . 29. Binder and other researchers said the most logical form for that hydrogen to take is as a constituent of water. 30. Popper rejected inductive reasoning in favor of deductive reasoning because he maintained that the former could not achieve logical form .
