Combining Philosophers

All the ideas for Eubulides, William Shakespeare and GE Hughes/M Cresswell

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


11 ideas

1. Philosophy / D. Nature of Philosophy / 7. Despair over Philosophy
For there was never yet philosopher/ That could endure the toothache patiently [Shakespeare]
2. Reason / A. Nature of Reason / 1. On Reason
Good reasons must give way to better [Shakespeare]
4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / b. Terminology of PL
A 'value-assignment' (V) is when to each variable in the set V assigns either the value 1 or the value 0 [Hughes/Cresswell]
4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / d. Basic theorems of PL
The Law of Transposition says (P→Q) → (¬Q→¬P) [Hughes/Cresswell]
4. Formal Logic / B. Propositional Logic PL / 4. Soundness of PL
The rules preserve validity from the axioms, so no thesis negates any other thesis [Hughes/Cresswell]
5. Theory of Logic / K. Features of Logics / 4. Completeness
A system is 'weakly' complete if all wffs are derivable, and 'strongly' if theses are maximised [Hughes/Cresswell]
5. Theory of Logic / L. Paradox / 1. Paradox
If you know your father, but don't recognise your father veiled, you know and don't know the same person [Eubulides, by Dancy,R]
5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / a. The Liar paradox
If you say truly that you are lying, you are lying [Eubulides, by Dancy,R]
5. Theory of Logic / L. Paradox / 6. Paradoxes in Language / b. The Heap paradox ('Sorites')
Removing one grain doesn't destroy a heap, so a heap can't be destroyed [Eubulides, by Dancy,R]
20. Action / B. Preliminaries of Action / 2. Willed Action / b. Volitionism
The cause of my action is in my will [Shakespeare]
25. Social Practice / E. Policies / 1. War / b. Justice in war
Our obedience to the king erases any crimes we commit for him [Shakespeare]