from The American Heritage® Dictionary of the English Language, 5th Edition.
- abbreviation Genetics parental generation
- abbreviation parity
- abbreviation parity conjugation
- abbreviation pass
- abbreviation pawn (chess)
- abbreviation Bible Peter
- abbreviation Physics pressure
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The sixteenth letter of the
basic modern Latin alphabet.
- noun chemistry symbol for
- noun metrology symbol for
- noun biochemistry
IUPAC1-letter abbreviation for proline
- noun mathematics
- noun The sixteenth
letterof the English alphabet, called peeand written in the Latin script.
- noun The
ordinalnumber sixteenth, derived from this letterof the English alphabet, called peeand written in the Latin script.
- noun park
- noun phone
- noun pager
- noun passenger
- noun chess
- noun slang A "
pure" form of an illegal drug, especially heroin.
- noun slang, New Zealand
- proper noun computing theory The
setof all problemsthat are solvable in polynomial timeby a deterministic Turing machine
from Wiktionary, Creative Commons Attribution/Share-Alike License
Strictly speaking, If P then Q, ~P, therefore ~Q is invalid -- modus ponens is only valid if you affirm P; it's not if you deny it.
Thus, the claim ˜John's statement that P is true™ can be treated as equivalent to (say) ˜P, as John's statement said™.
P(seems True|True)*P(True)+P(seems True|Lie)*P(Lie)
Typically such sentences are conditional sentences such as ˜if P then Q™, though Boethius also treats ˜P or Q™ as hypothetical, apparently because he thinks that disjunction can be translated in terms of a conditional sentence.
P (~P/S) EU (~S), assuming that studying's increase in the probability of passing compensates for the effort of studying.
Others take it to be crucial for any modal interpretation that it also answer questions of the form: Given that a system possesses property P at time s, what is the probability that it will possess property P² at time
P (pr (A) = x) 0 where ˜P™ is the agent's subjective probability function, and ˜pr (A)™ is the assignment that the agent regards as expert.
Necessarily P iff, according to the modal fiction, at all worlds, P*, where P* is the possible-worlds paraphrase of P.
P iff according to PW, P*. where “PW” is the fiction of possible worlds, P is any proposition, and P* is its possible-worlds
In that event, ˜Anything is P if and only if it is P²™ comes out true with respect to the actual world but not necessarily true.