Sentence examples for two negations from inspiring English sources

More precisely, the resulting logic will consist of two twin copies of classical propositional logic having two negations, two implications and so on.

The combination ¬~ of the two negations applied to a sentence φ asserts that φ is not false.[66] The propositional part of EIFL involves the four operators ¬, ~, ∧, and ∨.

Nonetheless, bC is decomposed into several copies of a three-valued logic by means of possible-translations as follows: consider the signature C1 = {¬1,¬2, ○1, ○2, ○3, ∧, ∨, →} consisting of two negations, three consistency operators, a conjunction, a disjunction and an implication.

The two negations available in EIFL, ¬ and ~, agree on true sentences, as well as on false ones: if φ is true (false) in M, then both ~φ and ¬φ are false (true) in M. By contrast, if φ is non-determined in M, then ~φ is non-determined as well, but ¬φ is true.

Eliminate every occurrence of two negation signs in a sequence (e.g., ∼∼∼∼∼a becomes ∼a).

A well-known example of a logic with two negation operations is Heyting-Brouwer logic, also known as bi-intuitionistic logic, see Rauszer 1980, Goré 2000.

Rule 7: sentences with more than two proteins and two negation keywords Rule 7 is explicit for sentences having the negative keyword 'neither/nor'neither/nor

The three negations satisfy not only contraposition, but they are also "period two", i.e., they satisfy the double negation law in both directions.

Then, one will come to directly realize all four negations simultaneously.

Instead, he understands the tetralemma as a succession of four negations that are applied to the four possible ways of conceiving of the status of the ultimate truth.

In fact, we only found seven negations i.e., there is no reliable data on the cognitive enhancement effects of MPH.