(β) A propositional function is necessary when all its values are true.
That is the subject-matter of the propositional part of a classic tragedy.
The “Doctrine” is not usually an abstract theological dogma: it is simply the theme of the discourse stated in propositional form.
In theology truth is propositional—tied up in neat parcels, systematized, and arranged in logical order.
A 'propositional function' or 'norm' may be 'non-predicative.'
Call it a propositional function; and, if φx be a propositional function, the undetermined variable x is the argument.
Now consider a propositional function Fχ in which the variable argument χ is itself a propositional function.
A propositional function (that is to say a definition) does not always determine a class.
For the text is rather a vague symbolical expression of a propositional function which is asserted to be true at all instants.
Only propositions can be "true," and only propositional functions can be "true under all circumstances."
mid-14c., "a setting forth as a topic for discussion," from Old French proposicion "proposal, submission, (philosophical) proposition" (12c.), from Latin propositionem (nominative propositio) "a setting forth, statement, a presentation, representation; fundamental assumption," noun of action from past participle stem of proponere (see propound). Meaning "action of proposing something to be done" is from late 14c. General sense of "matter, problem, undertaking" recorded by 1877. Related: Propositional.
1914, from proposition (n.); specifically of sexual favors from 1936. Related: Propositioned; propositioning.
An invitation or request for sexual favors; pass: He made a rude proposition and got his ears pinned back
To request sexual favors; COME ON TO someone, MAKE A PASS AT someone: He propositioned every woman at the party
[1924+; defined as ''a proposal of marriage'' in a 1908 source]