# deduce

## Definitions

• WordNet 3.6
• v deduce reason by deduction; establish by deduction
• v deduce conclude by reasoning; in logic
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Webster's Revised Unabridged Dictionary
• Deduce To derive or draw; to derive by logical process; to obtain or arrive at as the result of reasoning; to gather, as a truth or opinion, from what precedes or from premises; to infer; -- with from or out of. "O goddess, say, shall I deduce my rhymes
From the dire nation in its early times?"
"Reasoning is nothing but the faculty of deducing unknown truths from principles already known.""See what regard will be paid to the pedigree which deduces your descent from kings and conquerors."
• Deduce To lead forth. "He should hither deduce a colony."
• Deduce To take away; to deduct; to subtract; as, to deduce a part from the whole.
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Century Dictionary and Cyclopedia
• deduce To lead forth or away; conduct.
• deduce To trace the course of; describe from first to last.
• deduce To draw; derive; trace.
• deduce To derive or conclude as a result of a known principle; draw as a necessary conclusion; infer from what is known or believed. See deduction, and deductive reasoning, under deductive.
• deduce To bring before a court of justice for decision.
• deduce To deduct.
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Chambers's Twentieth Century Dictionary
• v.t Deduce de-dūs′ to draw from: to infer a truth or opinion from what precedes or from premises
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## Etymology

Webster's Revised Unabridged Dictionary
L. deducere,; de-, + ducere, to lead, draw. See Duke, and cf. Deduct
Chambers's Twentieth Century Dictionary
L. deducĕre, deductumde, from ducĕre, ductum, to lead.

## Usage

### In literature:

He worked with tremendous spirit, as one deduces from the the examination of his many frescoes.
"A Wanderer in Venice" by E.V. Lucas
These and other qualities may be deduced from the most superficial study of his creative work.
"Sir Walter Scott as a Critic of Literature" by Margaret Ball
Deduced from actual experience.
"Aunt Phillis's Cabin" by Mary H. Eastman
We shall deduce new proofs of this mysterious result from an attentive examination of the size of plants.
"Biographies of Distinguished Scientific Men" by Francois Arago
Wherefore I deduce that the spirit of the inhabitants must pierce through and emanate from the senseless walls like an effluvium.
"The River and I" by John G. Neihardt
All that remained was to deduce the truth from these facts.
"The Young Man and the World" by Albert J. Beveridge
And being true, what facts were logically to be deduced from it?
"The Ghost" by Arnold Bennett
Not only is it not deducible, but it is not even thinkable.
"Is Life Worth Living?" by William Hurrell Mallock
From the quoted forms in this chapter certain rules can easily be deduced.
"Public Speaking" by Clarence Stratton
The characters of the three personages who formed the supreme triad can be readily deduced from the nature of the elements which they represent.
"History Of Egypt, Chaldæa, Syria, Babylonia, and Assyria, Volume 3 (of 12)" by G. Maspero
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### In poetry:

"My boast is not that I deduce my birth
From loins enthroned, or rulers of the earth;
But higher far my proud pretensions rise:
The child of parents passed into the skies."—
"The Lowly Song of A Lowly Bard" by Janet Hamilton

### In news:

You don't need to understand Italian to deduce that a telephone is involved.
Scientists have used those images to deduce that there is a lot more ice on Mars — and that it's closer to the equator — than previously thought.
As you may have deduced from my name, I'm Sicilian.
When astronomers discover a planet orbiting another star, they can easily deduce its size, temperature, and chemical makeup.
The same University of Washington researcher who used chemical sleuthing to deduce what's in fragranced consumer products now has turned her attention to the scented air wafting from household laundry vents.
Much like Randy Johnson's arrival, when A-Rod came to the Yankees, it didn't take rocket science to deduce that there would be controversy, given the ferociousness of the NYC media and the super-mega-uber-stardom of the MVP third baseman.
When you look at these photos, what you can deduce is this: The 74th Regimental Armory, now known as the Connecticut Street Armory, is one sturdy building.
With aQuantive proving to be a remarkable dud , we can deduce that Microsoft has yet to show it has the goods to rival Google in online advertising—but why.
They then used the European Southern Observatory's Very Large Telescope to deduce its mass.
Often I see reports on how you can deduce things about a person, by the things they own - or do - or say.
Not for women, money or fame, but I'd deduce his passion is just as ardent and just as satisfying as any of the aforementioned obsessions.
From Watson and Crick to today's molecular biologists, researchers rely on X-ray diffraction images to deduce information about of the molecules of life.
I didn't get a chance to post an actual blog entry before I went on vacation, but if you looked in the comments section, you know that I went away – which you probably could have deduced anyway from the lack of posts.
Using clues from the original find, Wright deduced the sponge 's likely habitat and located it on her very first submarine dive using this new information.
Here's what we can deduce from Kurt Busch's and Kyle Busch's seasons so far: You need a good car no matter how good you are.
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### In science:

The same problem exists in the QCD: now we can not deduce the existence of the ﬂux tube (string in the ﬁrst rough approximation) from the SU(3) Lagrangian.
A String Approximation for Cooper Pair in High-T$_{\bf c}$ superconductivity
The distribution of energy gaps is deduced to be constant in the limit of vanishing gaps by comparing numerics with a probabilistic argument.
Energy landscapes in random systems, driven interfaces and wetting
In our approach, the Dirac quantization condition is deduced from formula (22).
Dyon-Oscillator Duality
To give insight into the proof of Theorem 6, we remark that it was deduced by proving a stronger result (Theorem 7) inductively and then taking the N → ∞ limit.
Random matrix theory over finite fields: a survey
However, this would produce a marked eccentricity in the radial velocity curves deduced from the TiO regions of the spectrum.
A TiO study of the dwarf nova IP Pegasi
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