Combining Texts

All the ideas for 'fragments/reports', 'Substitutional Classes and Relations' and 'The Principles of Chemistry'

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10 ideas

2. Reason / D. Definition / 7. Contextual Definition

21560

Any linguistic expression may lack meaning when taken out of context [Russell]

2. Reason / F. Fallacies / 8. Category Mistake / a. Category mistakes

21561

'The number one is bald' or 'the number one is fond of cream cheese' are meaningless [Russell]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / p. Axiom of Reducibility

18130

Axiom of Reducibility: there is always a function of the lowest possible order in a given level [Russell, by Bostock]

8. Modes of Existence / A. Relations / 1. Nature of Relations

21562

There is no complexity without relations, so no propositions, and no truth [Russell]

25. Social Practice / E. Policies / 5. Education / b. Education principles

13304

Learned men gain more in one day than others do in a lifetime [Posidonius]

27. Natural Reality / B. Modern Physics / 4. Standard Model / a. Concept of matter

17402

Mendeleev saw three principles in nature: matter, force and spirit (where the latter seems to be essence) [Mendeleev, by Scerri]

27. Natural Reality / D. Time / 1. Nature of Time / d. Time as measure

20820

Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus]

27. Natural Reality / F. Chemistry / 2. Modern Elements

17399

Elements don't survive in compounds, but the 'substance' of the element does [Mendeleev]

27. Natural Reality / F. Chemistry / 3. Periodic Table

17400

Mendeleev focused on abstract elements, not simple substances, so he got to their essence [Mendeleev, by Scerri]

17401

Mendeleev had a view of elements which allowed him to overlook some conflicting observations [Mendeleev]