Combining Texts

All the ideas for 'fragments/reports', 'Centring' and 'Alfred Tarski: life and logic'

expand these ideas     |    start again     |     specify just one area for these texts

21 ideas

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / j. Axiom of Choice IX
10147 The Axiom of Choice is consistent with the other axioms of set theory [Feferman/Feferman]
10148 Axiom of Choice: a set exists which chooses just one element each of any set of sets [Feferman/Feferman]
10149 Platonist will accept the Axiom of Choice, but others want criteria of selection or definition [Feferman/Feferman]
10150 The Trichotomy Principle is equivalent to the Axiom of Choice [Feferman/Feferman]
10146 Cantor's theories needed the Axiom of Choice, but it has led to great controversy [Feferman/Feferman]
5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models
10158 A structure is a 'model' when the axioms are true. So which of the structures are models? [Feferman/Feferman]
10162 Tarski and Vaught established the equivalence relations between first-order structures [Feferman/Feferman]
5. Theory of Logic / J. Model Theory in Logic / 3. Löwenheim-Skolem Theorems
10160 Löwenheim-Skolem says if the sentences are countable, so is the model [Feferman/Feferman]
10159 Löwenheim-Skolem Theorem, and Gödel's completeness of first-order logic, the earliest model theory [Feferman/Feferman]
5. Theory of Logic / K. Features of Logics / 4. Completeness
10161 If a sentence holds in every model of a theory, then it is logically derivable from the theory [Feferman/Feferman]
5. Theory of Logic / K. Features of Logics / 7. Decidability
10156 'Recursion theory' concerns what can be solved by computing machines [Feferman/Feferman]
10155 Both Principia Mathematica and Peano Arithmetic are undecidable [Feferman/Feferman]
7. Existence / A. Nature of Existence / 3. Being / h. Dasein (being human)
8228 Being is revealed at the point between waking and sleep [Anon (Cent)]
15. Nature of Minds / A. Nature of Mind / 4. Other Minds / a. Other minds
8232 Neglect your self, and feel the consciousness of each other being [Anon (Cent)]
20. Action / B. Preliminaries of Action / 2. Willed Action / a. Will to Act
8230 Just as you have the impulse to do something, stop [Anon (Cent)]
22. Metaethics / C. The Good / 2. Happiness / b. Eudaimonia
5996 Critolaus redefined Aristotle's moral aim as fulfilment instead of happiness [Critolaus, by White,SA]
25. Social Practice / A. Freedoms / 5. Freedom of lifestyle
8234 Bondage and liberation are relative terms, which only frighten those already terrified of the universe [Anon (Cent)]
29. Religion / C. Spiritual Disciplines / 4. Zen Buddhism
8227 Feel your whole body saturated with cosmic essence [Anon (Cent)]
8231 Abandon attachment to body, and feel the joy of being everywhere [Anon (Cent)]
8229 The serenity in blue sky beyond clouds [Anon (Cent)]
29. Religion / D. Religious Issues / 2. Immortality / a. Immortality
8233 Imagine fire burning up your whole body, but not you [Anon (Cent)]