In jewelry, "P.F." typically stands for "Plumb Fine," indicating that the piece contains a specific purity of gold, usually 24 karats. This designation assures buyers that the gold content is accurate and meets the claimed standard. It is a mark of quality and authenticity in gold jewelry.
F stands for finish at the premier table.
72 Pints in a Firkin
It can stand for>>>(F)**ked (U)p (B)eyond (A)ll (R)ecognition, orIt can stand for>>>(F)**ked (U)p (B)eyond (E)very (R)easonIt is also said to stand for>>>(F)**ked and the German word 'Über'
The "P" in P-51 mustang stands for pursuit which is the equivalent to a modern "F" designation.
1 Prancing Horse on a Ferrari.
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11 is the Number of Players on a Football Team
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P-F is Polar
SAO could stand for "Sterling Silver" in the context of jewelry, indicating that the piece is made of sterling silver, which is a popular metal used in the production of jewelry.
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p --> q and q --> p are not equivalent p --> q and q --> (not)p are equivalent The truth table shows this. pq p --> q q -->(not)p f f t t f t t t t f f f t t t t