Combining Philosophers
Ideas for Oswald Veblen, John Locke and Ian Hacking
expand these ideas
|
start again
|
choose
another area for these philosophers
display all the ideas for this combination of philosophers
5 ideas
4. Formal Logic / A. Syllogistic Logic / 2. Syllogistic Logic
8084
|
Syllogisms are verbal fencing, not discovery [Locke]
|
12572
|
Many people can reason well, yet can't make a syllogism [Locke]
|
4. Formal Logic / B. Propositional Logic PL / 2. Tools of Propositional Logic / d. Basic theorems of PL
13833
|
'Thinning' ('dilution') is the key difference between deduction (which allows it) and induction [Hacking]
|
13834
|
Gentzen's Cut Rule (or transitivity of deduction) is 'If A |- B and B |- C, then A |- C' [Hacking]
|
13835
|
Only Cut reduces complexity, so logic is constructive without it, and it can be dispensed with [Hacking]
|