Combining Texts
Ideas for
'Causation', 'fragments/reports' and 'Logical Properties'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
9 ideas
5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic
6051
|
In 'x is F and x is G' we must assume the identity of x in the two statements [McGinn]
|
6055
|
Both non-contradiction and excluded middle need identity in their formulation [McGinn]
|
6059
|
Identity is unitary, indefinable, fundamental and a genuine relation [McGinn]
|
5. Theory of Logic / E. Structures of Logic / 1. Logical Form
21400
|
Stoics avoided universals by paraphrasing 'Man is...' as 'If something is a man, then it is...' [Stoic school, by Long]
|
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not
20788
|
The contradictory of a contradictory is an affirmation [Stoic school, by Diog. Laertius]
|
5. Theory of Logic / G. Quantification / 1. Quantification
6067
|
Existential quantifiers just express the quantity of things, leaving existence to the predicate 'exists' [McGinn]
|
6042
|
The quantifier is overrated as an analytical tool [McGinn]
|
5. Theory of Logic / G. Quantification / 3. Objectual Quantification
6069
|
'Partial quantifier' would be a better name than 'existential quantifier', as no existence would be implied [McGinn]
|
5. Theory of Logic / G. Quantification / 7. Unorthodox Quantification
6068
|
We need an Intentional Quantifier ("some of the things we talk about.."), so existence goes into the proposition [McGinn]
|