BF meaning in Physics Related ?

Answer: What is Barcan Formula mean?

In quantified modal logic, the Barcan formula and the converse Barcan formula (more accurately, schemata rather than formulas) (i) syntactically state principles of interchange between quantifiers and modalities; (ii) semantically state a relation between domains of possible worlds. The formulas were introduced as axioms by Ruth Barcan Marcus, in the first extensions of modal propositional logic to include quantification.

Related formulas include the Buridan formula.

reference

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Bandpass Filter	Academic & Science
Bona Fide	Academic & Science
Bibliotekarforbundet	Academic & Science
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Block Fill	Computer Assembly Language
Blank Field	Computer Assembly Language
Bring Forward	Computer Assembly Language
Bit Field	Computer Assembly Language
Bridging Fault	Computer Hardware
Boot Floppy	Computer Hardware
Bold Font	Computing
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Big File	Computing
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bbreviation Define	General
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Body Found	Governmental
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Bayes Formula	Maths
Board Foot	Measurement Unit
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Barcan Formula	Physics Related
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Beat Frequency	Space Science
Body Flap	Space Science
Batters Faced	Sports
Before Fall	Sports
Ball Face	Sports