- 追加された行はこの色です。
- 削除された行はこの色です。
+ Rule 1
We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.
-- We are to admit no more causes of natural things than such as are both true and sufficient to explain their appearances.
+ Rule 2
Therefore to the same natual effects we must, as far as possible, assign the samce causes.
-- Therefore to the same natual effects we must, as far as possible, assign the same causes.
Isaac Newton (1687) Rules of reasoning in philosophy, Book III, in The Principia.
