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Single Idea 24048

[filed under theme 14. Science / A. Basis of Science / 2. Demonstration ]

Full Idea

Demonstrations are both from a starting-point and have a sort of end, namely the deduction or the conclusion.

Gist of Idea

Demonstrations move from starting-points to deduced conclusions

Source

Aristotle (De Anima [c.329 BCE], 407a25)

Book Ref

Aristotle: 'De Anima (on the psuche)', ed/tr. Reeve, C.D.C. [Hackett 2017], p.11

A Reaction

A starting point has to be a first principle [arché]. It has been observed that Aristotle explains demonstration very carefully, but rarely does it in his writings.

Related Idea

Idea 24047 An account is either a definition or a demonstration [Aristotle]

The 54 ideas from 'De Anima'

17711 Our minds take on the form of what is being perceived [Aristotle, by Mares]
5507 Aristotle led to the view that there are several souls, all somewhat physical [Aristotle, by Martin/Barresi]
2683 Aristotle has a problem fitting his separate reason into the soul, which is said to be the form of the body [Ackrill on Aristotle]
16646 To understand a triangle summing to two right angles, we need to know the essence of a line [Aristotle]
16647 Demonstration starts from a definition of essence, so we can derive (or conjecture about) the properties [Aristotle]
1710 Emotion involves the body, thinking uses the mind, imagination hovers between them [Aristotle]
24039 All the emotions seem to involve the body, simultaneously with the feeling [Aristotle]
24040 Scientists explain anger by the matter, dialecticians by the form and the account [Aristotle]
1714 Mind involves movement, perception, incorporeality [Aristotle]
24044 Movement can be intrinsic (like a ship) or relative (like its sailors) [Aristotle]
24045 Movement is spatial, alteration, withering or growth [Aristotle]
24046 Understanding is impossible, if it involves the understanding having parts [Aristotle]
24047 An account is either a definition or a demonstration [Aristotle]
24048 Demonstrations move from starting-points to deduced conclusions [Aristotle]
24049 Thinkers place the soul within the body, but never explain how they are attached [Aristotle]
1514 Early thinkers concentrate on the soul but ignore the body, as if it didn't matter what body received the soul [Aristotle]
1717 If the soul is composed of many physical parts, it can't be a true unity [Aristotle]
24050 If soul is separate from body, why does it die when the body dies? [Aristotle]
1718 Does the mind think or pity, or does the whole man do these things? [Aristotle]
24051 Soul is seen as what moves, or what is least physical, or a combination of elements [Aristotle]
24052 From one thing alone we can infer its contrary [Aristotle]
24053 If a soul have parts, what unites them? [Aristotle]
1721 What unifies the soul would have to be a super-soul, which seems absurd [Aristotle]
24055 Matter is potential, form is actual [Aristotle]
12086 Psuché is the form and actuality of a body which potentially has life [Aristotle]
13275 The soul and the body are inseparable, like the imprint in some wax [Aristotle]
16752 Sight is the essence of the eye, fitting its definition; the eye itself is just the matter [Aristotle]
24056 The soul (or parts of it) is not separable from the body [Aristotle]
1724 Perception necessitates pleasure and pain, which necessitates appetite [Aristotle]
24057 What is prior is always potentially present in what is next in order [Aristotle]
16754 The soul is the cause or source of movement, the essence of body, and its end [Aristotle]
24058 The substance is the cause of a thing's being [Aristotle]
1725 Why can't we sense the senses? And why do senses need stimuli? [Aristotle]
1726 We may think when we wish, but not perceive, because universals are within the mind [Aristotle]
1727 Some objects of sensation are unique to one sense, where deception is impossible [Aristotle]
1728 Many objects of sensation are common to all the senses [Aristotle]
1729 We perceive number by the denial of continuity [Aristotle]
1730 Why do we have many senses, and not just one? [Aristotle]
1732 Sense organs aren't the end of sensation, or they would know what does the sensing [Aristotle]
1733 Thinking is not perceiving, but takes the form of imagination and speculation [Aristotle]
23307 Aristotle makes belief a part of reason, but sees desires as separate [Aristotle, by Sorabji]
16723 Perception of sensible objects is virtually never wrong [Aristotle]
5051 The intellect has potential to think, like a tablet on which nothing has yet been written [Aristotle]
4376 Pleasure and pain are perceptions of things as good or bad [Aristotle]
1734 In moral thought images are essential, to be pursued or avoided [Aristotle]
1735 In a way the soul is everything which exists, through its perceptions and thoughts [Aristotle]
24060 Self-controlled follow understanding, when it is opposed to desires [Aristotle]
1738 Practical reason is based on desire, so desire must be the ultimate producer of movement [Aristotle]
24061 If we divide the mind up according to its capacities, there are a lot of them [Aristotle]
1739 If all movement is either pushing or pulling, there must be a still point in between where it all starts [Aristotle]
24062 Self-moving animals must have desires, and that entails having imagination [Aristotle]
24063 What is born has growth, a prime, and a withering away [Aristotle]
1740 Nature does nothing in vain [Aristotle]
24064 If something is pushed, it pushes back [Aristotle]