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 ?
On both sides it was only assertion. Again she read on; but every line proved more clearly that the affair, which she had believed it impossible that any contrivance could so represent as to render Mr.
The assertions in the prisoner's Declaration of his innocence were still, as the Lord Advocate had remarked, assertions not supported by proof.
Whatever path the lecturer took amid the wilds of the past seemed invariably to lead him to some assertion as to extinct or prehistoric life which instantly brought the same bulls' bellow from the Professor.
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.
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.
I have the best of evidence for this assertion: I was one of the four men.
I talked to him professionally in a cheery tone, and ended with the confident assertion:
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.