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neutrosophic logic

logic (Or "Smarandache logic") A generalisation of fuzzylogic based on Neutrosophy. A proposition is t true, i

indeterminate, and f false, where t, i, and f are real values

from the ranges T, I, F, with no restriction on T, I, F, or

the sum n=t+i+f. Neutrosophic logic thus generalises:

- intuitionistic logic, which supports incomplete theories

(for 0#@n#@100 and i=0, 0#@=t,i,f#@=100);

- fuzzy logic (for n=100 and i=0, and 0#@=t,i,f#@=100);

- Boolean logic (for n=100 and i=0, with t,f either 0 or

100);

- multi-valued logic (for 0#@=t,i,f=100);

- paraconsistent logic (for n100 and i=0, with both

t,f100);

- dialetheism, which says that some contradictions are true

(for t=f=100 and i=0; some paradoxes can be denoted this

way).

Compared with all other logics, neutrosophic logic introduces

a percentage of "indeterminacy" - due to unexpected parameters

hidden in some propositions. It also allows each component

t,i,f to "boil over" 100 or "freeze" under 0. For example, in

some tautologies t100, called "overtrue".

Home .

["Neutrosophy / Neutrosophic probability, set, and logic",

F. Smarandache, American Research Press, 1998].