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

The natural deduction from this is that we should say "do" rather than "don't"; open up the natural way for rightful activity instead of uttering loud warning cries at the entrance to every wrong path.

From Study of Child Life by Washburne, Marion Foster

If somebody says: "A rickety cradle may mean a rickety baby," the natural deduction, one would think, would be to give the people a good cradle, or give them money enough to buy one.

From Utopia of Usurers and Other Essays by Chesterton, G. K. (Gilbert Keith)

Having once granted this, the natural deduction followed that if a girl was fit to rule at eighteen, a boy was fit to rule sooner.

From South America by Koebel, W. H. (William Henry)