Combining Texts

All the ideas for 'works', 'On the Syllogism IV' and 'The Architecture of Theories'

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6 ideas

5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic

17744

De Morgan started the study of relations and their properties [De Morgan, by Walicki]

13501

De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [De Morgan, by Hart,WD]

17. Mind and Body / A. Mind-Body Dualism / 1. Dualism

14802

Physical and psychical laws of mind are either independent, or derived in one or other direction [Peirce]

23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues

20239

Unlike us, the early Greeks thought envy was a good thing, and hope a bad thing [Hesiod, by Nietzsche]

26. Natural Theory / D. Laws of Nature / 1. Laws of Nature

14800

The world is full of variety, but laws seem to produce uniformity [Peirce]

27. Natural Reality / G. Biology / 3. Evolution

14801

Darwinian evolution is chance, with the destruction of bad results [Peirce]