Combining Texts

All the ideas for 'Truth (frags)', 'The Aim and Structure of Physical Theory' and 'Against the Professors (six books)'

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7 ideas

3. Truth / A. Truth Problems / 5. Truth Bearers
6021 It is only when we say a proposition that we speak truly or falsely [Sext.Empiricus]
5. Theory of Logic / E. Structures of Logic / 1. Logical Form
6020 'Man is a rational mortal animal' is equivalent to 'if something is a man, that thing is a rational mortal animal' [Sext.Empiricus]
14. Science / A. Basis of Science / 1. Observation
6026 How can you investigate without some preconception of your object? [Sext.Empiricus]
14. Science / A. Basis of Science / 6. Falsification
22137 Observation can force rejection of some part of the initial set of claims [Duhem, by Boulter]
14. Science / B. Scientific Theories / 6. Theory Holism
18197 Experiments only test groups of hypotheses, and can't show which one is wrong [Duhem]
23. Ethics / B. Contract Ethics / 9. Contractualism
6032 Right actions, once done, are those with a reasonable justification [Sext.Empiricus]
26. Natural Theory / A. Speculations on Nature / 4. Mathematical Nature
1517 The tektraktys (1+2+3+4=10) is the 'fount of ever-flowing nature' [Sext.Empiricus]