Combining Philosophers

All the ideas for William S. Jevons, Joan Weiner and Victor Velarde-Mayol

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5 ideas

4. Formal Logic / B. Propositional Logic PL / 1. Propositional Logic

7726	Aristotelian logic dealt with inferences about concepts, and there were also proposition inferences [Weiner]

6. Mathematics / C. Sources of Mathematics / 6. Logicism / a. Early logicism

8628	I hold that algebra and number are developments of logic [Jevons]

11. Knowledge Aims / C. Knowing Reality / 4. Solipsism

21227

The Cogito demands a bridge to the world, and ends in isolating the ego [Velarde-Mayol]

12. Knowledge Sources / B. Perception / 3. Representation

21215

The representation may not be a likeness [Velarde-Mayol]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / d. Knowing essences

21219

Find the essence by varying an object, to see what remains invariable [Velarde-Mayol]