congruently
- adverb
- /kənˈɡruːəntli/
- Specialized
- In modular arithmetic, 14 and 2 are congruently equivalent when divided by 12.
Examples
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In modular arithmetic, 14 and 2 are congruently related modulo 12.
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When divided by 7, 14 and 21 are congruently equivalent.
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The numbers 25 and 5 behave congruently when considered under modulo 10.
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You can add numbers congruently to simplify calculations in number theory.
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The two numbers are congruently equivalent under modulo 5.
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The numbers 25 and 5 are congruently equivalent under modulo 10.
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When calculating in number theory, you can combine numbers congruently to ensure they remain in the same equivalence class.
Synonyms
In a way that uses remainders after division by a fixed number
Surface Forms
Morphology
congruently = congruent (opaque) = congruent + ly
Morphologically formed from 'congruent' + '-ly', but the mathematical meaning is specialized and not predictable for an average learner from the everyday sense of 'congruent'.
Etymology
Congruently comes from Latin parts con- 'together' and gruere 'to come together', so it means 'coming together' or 'matching'. In number work this means two numbers 'match' under a rule, for example they give the same remainder when you divide, which is why we say the numbers are congruent.