Combining Texts

All the ideas for 'When Does a Life Begin?', 'The Theory of Knowledge' and 'Mental Models'

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8 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
23476 Logical constants seem to be entities in propositions, but are actually pure form [Russell]
23477 We use logical notions, so they must be objects - but I don't know what they really are [Russell]
5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth
18273 Logical truths are known by their extreme generality [Russell]
7. Existence / D. Theories of Reality / 8. Facts / d. Negative facts
22315 There can't be a negative of a complex, which is negated by its non-existence [Potter on Russell]
14. Science / B. Scientific Theories / 7. Scientific Models
3214 The models we use in reasoning may be more like perceptions than like language [Johnson-Laird]
25. Social Practice / F. Life Issues / 3. Abortion
4054 I may exist before I become a person, just as I exist before I become an adult [Lockwood]
4055 It isn't obviously wicked to destroy a potential human being (e.g. an ununited egg and sperm) [Lockwood]
4056 If the soul is held to leave the body at brain-death, it should arrive at the time of brain-creation [Lockwood]