Combining Texts

All the ideas for 'Through the Looking Glass', 'Two treatises' and 'The Concept of Logical Consequence'

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

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5 ideas

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

14181

Validity is where either the situation or the interpretation blocks true premises and false conclusion [Etchemendy, by Read]

14180

Etchemendy says fix the situation and vary the interpretation, or fix interpretations with varying situations [Etchemendy, by Read]

7. Existence / A. Nature of Existence / 3. Being / e. Being and nothing

21982

I only wish I had such eyes as to see Nobody! It's as much as I can do to see real people. [Carroll,L]

9. Objects / C. Structure of Objects / 4. Quantity of an Object

16597

Quantity is the capacity to be divided [Digby]

26. Natural Theory / A. Speculations on Nature / 7. Later Matter Theories / b. Corpuscles

16731

Colours arise from the rarity, density and mixture of matter [Digby]