assertion


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assertion

(programming)
1. An expression which, if false, indicates an error. Assertions are used for debugging by catching can't happen errors.

2. In logic programming, a new fact or rule added to the database by the program at run time. This is an extralogical or impure feature of logic programming languages.
References in classic literature ?
How could she deny that credit to his assertions in one instance, which she had been obliged to give in the other?
Now and then, as he made an assertion, he shot a venomous glance at his opponent, who seemed to be slumbering deeply, with the same broad, happy smile upon his face.
Summerlee declared, with an acid smile, that he fully appreciated the difference between the Thames and the Amazon, which lay in the fact that any assertion about the former could be tested, while about the latter it could not.
Waldron," he said, "to cease to make assertions which are not in strict accordance with scientific fact."
Ferrars and Fanny still more, did not see the necessity of enforcing it by any farther assertion; and Marianne, when called on for her's, offended them all, by declaring that she had no opinion to give, as she had never thought about it.
Moreover, the assertion made by various writers that his cold was the cause of his dispositions not being as well planned as on former occasions, and of his orders during the battle not being as good as previously, is quite baseless, which again shows that Napoleon's cold on the twenty-sixth of August was unimportant.
SHEA had just beaten me at chess, as usual, and, also as usual, I had gleaned what questionable satisfaction I might by twitting him with this indication of failing mentality by calling his attention to the nth time to that theory, propounded by certain scientists, which is based upon the assertion that phenomenal chess players are always found to be from the ranks of children under twelve, adults over seventy-two or the mentally defective--a theory that is lightly ignored upon those rare occasions that I win.
This is not an assertion founded merely in speculation or conjecture.
We found her indeed all that our warmest wishes could have hoped for; we had no difficulty to convince her that it was impossible she could love Graham, or that it was her Duty to disobey her Father; the only thing at which she rather seemed to hesitate was our assertion that she must be attached to some other Person.
But now prepare to receive proof positive of the truth of my assertions. You cannot indeed see more than one of my sections, or Circles, at a time; for you have no power to raise your eye out of the plane of Flatland; but you can at least see that, as I rise in Space, so my sections become smaller.
So long as the mere assertions which the Declaration contained were not supported by proof, he looked upon that document as evidence for the prosecution, and he too was quite willing to have it read.
The assertions in the prisoner's Declaration of his innocence were still, as the Lord Advocate had remarked, assertions not supported by proof.