Combining Philosophers

All the ideas for Herodotus, Buddha (Siddhartha Gautama) and Augustus De Morgan

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7 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]

5. Theory of Logic / G. Quantification / 2. Domain of Quantification

17743

De Morgan introduced a 'universe of discourse', to replace Boole's universe of 'all things' [De Morgan, by Walicki]

16. Persons / E. Rejecting the Self / 4. Denial of the Self

5517	Individuals don't exist, but are conventional names for sets of elements [Buddha]

29. Religion / C. Spiritual Disciplines / 3. Buddhism

7600	The Buddha believed the gods would eventually disappear, and Nirvana was much higher [Buddha, by Armstrong,K]

7601	Life is suffering, from which only compassion, gentleness, truth and sobriety can save us [Buddha]

29. Religion / D. Religious Issues / 2. Immortality / a. Immortality

1513	The Egyptians were the first to say the soul is immortal and reincarnated [Herodotus]