Fermat’s last theorem See CHOICE SEQUENCE.

Feuerbach Ludwig Andreas (1804–72), German materialist philosopher and critic of religion....

Fichte Johann Gottlieb (1762–1814), German philosopher. He was a proponent of...

Ficino Marsilio (1433–99), Italian Neoplatonic philosopher who played a leading role...

fiction in the widest usage, whatever contrasts with what is a...

fiction, logical See LOGICAL CONSTRUCTION.

fictionalism See DUHEM.

fideism See EVIDENTIALISM.

field (of a relation) See RELATION.

field theory a theory that proceeds by assigning values of physical quantities...

figure See SYLLOGISM.

figure–ground the discrimination of an object or figure from the context...

Filmer Robert (1588–1653), English political writer who produced, most importantly, the...

final cause See ARISTOTLE.

finitary proof See HILBERT'S PROGRAM.

finite automaton See COMPUTER THEORY, TURING. MACHIN.

finitism See HILBERT, PHILOSOPHY OF MATHEMAT -. IC.

first actualization See ARISTOTLE.

first cause See PRIME MOVER.

first cause argument See PHILOSOPHY OF RELIGION.

first imposition See IMPOSITION.

first intention See IMPOSITION.

first law of thermodynamics See ENTROPY.

first limit theorem See PROBABILITY.

first mover See PRIME MOVER.

firstness See PEIRCE.

first-order See ORDER.

first-order logic See FORMAL LOGIC, ORDER, SEC -. OND -ORDER LOGI. first...

first potentiality See ARISTOTLE.

five phases See WU-HSING.