Logic Notebook 1867 March-Oct

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S is P

The objects of S have characters of P

The objects of have characters of

All objects of S have all elements of P

Last edit over 4 years ago by agerdom
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S S' S'' are taken as M that is to say

S S' S'' owing to the manner in which they were taken are necessarily M because

Last edit over 4 years ago by agerdom
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All U is the foresent U

All U is P

therefore

All [Dr?] U is P

No rather

The foresent U is U

The present U is P

therefore All U is P

Now we have why not then
All S is S S S' S" are taken as U
Some S is M therefore M is S or S' or S"
Some M is S S S' S" is P
therefore U is P

Why yes! This is it.

Induction consists in that very conversion which Aristotle says is necessary [Dr?] its validity.

The inference is _

2 that if - S S'S" occur only in consequence of being M

2' then All U has the common characters of S S' S"

Some S is M

Zen _ now to hypothesis * Fig 2

Last edit over 3 years ago by MarlowScribes
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M is P

S is M

S is P ________________^__________________ S is P M is P S is M S is P M is P S is M ________________________________________

Some S is not P All M is P
All S is P All M is not P
All S is M Some S is not P
Some S is M All S is P
Some M is not P Some S is not M
Some M is P All S is not M
__ __
Some S is found P S is P P' P"
S is taken as M S is M
Last edit over 3 years ago by MarlowScribes
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