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Conjecture vs. Projection — What's the Difference?

Conjecture vs. Projection — What's the Difference?

Difference Between Conjecture and Projection

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Conjecture

In mathematics, a conjecture is a conclusion or a proposition which is suspected to be true due to preliminary supporting evidence, but for which no proof or disproof has yet been found. Some conjectures, such as the Riemann hypothesis (still a conjecture) or Fermat's Last Theorem (a conjecture until proven in 1995 by Andrew Wiles), have shaped much of mathematical history as new areas of mathematics are developed in order to prove them.

Projection

The act of projecting or the condition of being projected.

Conjecture

An opinion or conclusion formed on the basis of incomplete information
Conjectures about the newcomer were many and varied
A matter for conjecture

Projection

A thing or part that extends outward beyond a prevailing line or surface
Spiky projections on top of a fence.
A projection of land along the coast.

Conjecture

Form an opinion or supposition about (something) on the basis of incomplete information
Many conjectured that the jury could not agree
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Projection

A plan for an anticipated course of action
“facilities [that] are vital to the projection of U.S. force ... in the Pacific” (Alan D. Romberg).

Conjecture

Opinion or judgment based on inconclusive or incomplete evidence; guesswork.

Projection

A prediction or estimate of something in the future, based on present data or trends.

Conjecture

An opinion or conclusion based on guesswork
The commentators made various conjectures about the outcome of the next election.

Projection

The process of projecting an image onto a screen or other surface for viewing.

Conjecture

To judge or conclude by conjecture; guess
"From the comparative silence below ... I conjectured that Mr Rochester was now at liberty" (Charlotte Brontë).

Projection

An image so projected.

Conjecture

To make a conjecture.

Projection

(Mathematics) The image of a geometric figure reproduced on a line, plane, or surface.

Conjecture

(formal) A statement or an idea which is unproven, but is thought to be true; a guess.
I explained it, but it is pure conjecture whether he understood, or not.

Projection

A system of intersecting lines, such as the grid of a map, on which part or all of the globe or another spherical surface is represented as a plane surface.

Conjecture

(formal) A supposition based upon incomplete evidence; a hypothesis.
The physicist used his conjecture about subatomic particles to design an experiment.

Projection

(Psychology) The attribution of one's own attitudes, feelings, or suppositions to others, thought in psychoanalytic theory to be an unconscious defense against anxiety or guilt.

Conjecture

A statement likely to be true based on available evidence, but which has not been formally proven.

Projection

Something which projects, protrudes, juts out, sticks out, or stands out.
The face of the cliff had many projections that were big enough for birds to nest on.

Conjecture

(obsolete) Interpretation of signs and omens.

Projection

The action of projecting or throwing or propelling something.

Conjecture

To guess; to venture an unproven idea.
I do not know if it is true; I am simply conjecturing here.

Projection

(archaic) The throwing of materials into a crucible, hence the transmutation of metals.

Conjecture

(transitive) To infer on slight evidence; to guess at.

Projection

(archaic) The crisis or decisive point of any process, especially a culinary process.

Conjecture

An opinion, or judgment, formed on defective or presumptive evidence; probable inference; surmise; guess; suspicion.
He [Herodotus] would thus have corrected his first loose conjecture by a real study of nature.
Conjectures, fancies, built on nothing firm.

Projection

The display of an image by devices such as movie projector, video projector, overhead projector or slide projector.

Conjecture

To arrive at by conjecture; to infer on slight evidence; to surmise; to guess; to form, at random, opinions concerning.
Human reason can then, at the best, but conjecture what will be.

Projection

A forecast or prognosis obtained by extrapolation

Conjecture

To make conjectures; to surmise; to guess; to infer; to form an opinion; to imagine.

Projection

(psychology) A belief or assumption that others have similar thoughts and experiences to one's own. This includes making accusations that would more fittingly apply to the accuser.

Conjecture

A hypothesis that has been formed by speculating or conjecturing (usually with little hard evidence);
Speculations about the outcome of the election
He dismissed it as mere conjecture

Projection

(photography) The image that a translucent object casts onto another object.

Conjecture

A message expressing an opinion based on incomplete evidence

Projection

(cartography) Any of several systems of intersecting lines that allow the curved surface of the earth to be represented on a flat surface. The set of mathematics used to calculate coordinate positions.

Conjecture

Reasoning that involves the formation of conclusions from incomplete evidence

Projection

(geometry) An image of an object on a surface of fewer dimensions.

Conjecture

To believe especially on uncertain or tentative grounds;
Scientists supposed that large dinosaurs lived in swamps

Projection

(linear algebra) An idempotent linear transformation which maps vectors from a vector space onto a subspace.

Projection

(mathematics) A transformation which extracts a fragment of a mathematical object.

Projection

(category theory) A morphism from a categorical product to one of its (two) components.

Projection

(grammar) The preservation of the properties of lexical items while generating the phrase structure of a sentence. See Projection principle.

Projection

The act of throwing or shooting forward.

Projection

A jutting out; also, a part jutting out, as of a building; an extension beyond something else.

Projection

The act of scheming or planning; also, that which is planned; contrivance; design; plan.

Projection

The representation of something; delineation; plan; especially, the representation of any object on a perspective plane, or such a delineation as would result were the chief points of the object thrown forward upon the plane, each in the direction of a line drawn through it from a given point of sight, or central point; as, the projection of a sphere. The several kinds of projection differ according to the assumed point of sight and plane of projection in each.

Projection

Any method of representing the surface of the earth upon a plane.

Projection

A prediction made by extrapolating from past observations

Projection

The projection of an image from a film onto a screen

Projection

A planned undertaking

Projection

Any structure that branches out from a central support

Projection

Any solid convex shape that juts out from something

Projection

(psychiatry) a defense mechanism by which your own traits and emotions are attributed to someone else

Projection

The acoustic phenomenon that gives sound a penetrating quality;
Our ukuleles have been designed to have superior sound and projection
A prime ingredient of public speaking is projection of the voice

Projection

The representation of a figure or solid on a plane as it would look from a particular direction

Projection

The act of projecting out from something

Projection

The act of expelling or projecting or ejecting

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