formal logic in English

noun
1
logic based on argument involving deductively necessary relationships and including the use of syllogisms and mathematical symbols.
Other questions can be answered deductively, by referring to established rules; this is the case, for example, with mathematics, grammar and formal logic .

Use "formal logic" in a sentence

Below are sample sentences containing the word "formal logic" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "formal logic", or refer to the context using the word "formal logic" in the English Dictionary.

1. Formal logic has been described as the science of deduction.

2. In formal logic: Modal logic …a republic”—that are not (Contingently true propositions)

3. In Łukasiewicz's 1951 book, Aristotle's Syllogistic from the Standpoint of Modern Formal Logic, he mentions that the principle of his notation was to write the functors before the arguments to avoid brackets and that he had employed his notation in his logical papers since 1929.