- 1推論、推斷（邏輯課裡的「演繹」；對面那條路是「歸納」induce）
To deduce something is to reach an idea by using the knowledge and facts you already have. You do not see the answer sitting there. You put the pieces together and say, “So this must be true.” Detective stories made the word famous: someone looks at a wet coat and deduces that it has been raining. In ordinary life it is close to “figure out,” though deduce sounds more careful and more educated. Friends more often say guess or work out. Though actually, in a logic or science class the word is tighter. There, to deduce is to start from a general rule and arrive at a particular conclusion. The classroom partner is induce — going the other way, from examples toward a general rule. Outside class, almost nobody keeps that line so clean. People say deduce for any conclusion.
組成From Late Middle English, borrowed from Latin dēdūcere, “to lead or bring away; (figuratively) to derive, discover, deduce”: dē- (from, away) + dūcere (to lead). The picture is leading an idea out of the facts you have.
同家族的字
- deductionthe noun: the act of reasoning this way — though the same noun also means an amount taken off a total, which belongs more with deduct
- deducibleadjective: able to be deduced
- deductfrom the same Latin verb dēdūcere, but English split them: deduce is for thinking, deduct is for taking numbers off
- produceshares Latin dūcere, “to lead”
- reduceshares Latin dūcere, “to lead”
- conductshares Latin dūcere, “to lead”
原始詞典資料6 筆記錄
以下是外部詞典記錄的用法，摘錄並精簡格式，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
deduceverb/dɪˈdʒuːs/
- 1
To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts.
- [T]he puritan buyldeth directly vpon the proteſtants firſt groundes in religion, & deduceth therof clearly and by ordinary conſequence al his concluſions, which the proteſtant cannot deny by divinity, but only by pollicy & humane ordination, or by turning to catholique anſwers contrary to ther owne principles: […]
- [T]hoſe principles or firſt poſitions, have no diſcordance with that reaſon, which draweth downe and diduceth the inferiour poſitions.
- 2
To examine, explain, or record (something) in an orderly manner.
- Pye[d-mantle]. […] Sir, I haue drawne / A Pedigree for her Grace, though yet a Nouice / In that ſo noble ſtudy. […] I haue deduc'd her.— […]
- It ſeems there is ſome angry Star that hath hung over this Buſineſs of the Palatinate from the beginning of theſe German Wars to this very Day, which will too evidently appear, if one ſhould mark and deduce Matters from their firſt Riſe.
- 3
archaicTo obtain (something) from some source; to derive.
- O Goddeſs, ſay, ſhall I deduce my rhimes / From the dire nation in its early times, / Europa’s rape, Agenor’s ſtern decree, / And Cadmus ſearching round the ſpacious ſea?
- The Spring whence thou [Hugh Myddelton] deduced'st the ample stream, / The Poet's and Historian's theme, / Trenching thy mighty aqueduct a way, / 'Till as the humble plains, the aspiring hills obey.
- 4
archaicTo be derived or obtained from some source.
- [B]y the ſtatute 7 Ann. c. 21 […] it is enacted, that, after the death of the pretender, and his ſons, no attainder for treaſon ſhall extend to the diſinheriting any heir, nor the prejudice of any perſon, other than the offender himſelf: which proviſions have indeed carried the remedy farther, than was required by the hardſhip above complained of; which is only the future obſtruction of deſcents, where the pedigree happens to be deduced through the blood of an attainted anceſtor.
- 5
obsoleteTo take away (something); to deduct, to subtract (something).
- to deduce a part from the whole
- Pra[ctise]. […] Well, Sir, the Contract / Is with this Gentleman, ten thouſand pound. […] Int[erest]. And what I have furniſh'd him with all o' the by, / To appeare, or ſo: A matter of foure hundred, / To be deduc'd upo' the payment—.
- 6
obsoleteTo lead (something) forth.
- Richard of the Vies will that Penda, K[ing] of Mereland, firſt deduced a colony of Cambridge men hither and cals it Crekelade, as other Kirklade with variety of names: […]
摘錄自 英文維基詞典 English Wiktionary，已精簡格式；依 CC BY-SA 4.0 授權使用，改動後的內容同樣以此授權提供。