natural deduction

British  

noun

1. a system of formal logic that has no axioms but permits the assumption of premises of an argument. Such a system uses sequents to record which assumptions are operative at any stage Compare axiomatic

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Example Sentences

What seemed like a natural deduction in the West -- behaving like a group must mean a suppression of the self -- was a leap in logic in Japan.

From Salon • Jun. 18, 2011

A natural deduction from this was that one person or few persons must own many times 40 shares to bring the average up.

From Time Magazine Archive

We expect to hear so, as the natural deduction from John’s premises.

From Memories of Bethany by Macduff, John R. (John Ross)

The natural deduction was therefore that she had been taken in some other direction.

From Tarzan the Terrible by Burroughs, Edgar Rice

Then the natural deduction is that he has learned to apply new ways and methods, by and through which he can produce surer and more beautiful results than could his predecessor in his profession.

From Seed Thoughts for Singers by Tubbs, Frank Herbert