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4. Formal Logic / G. Formal Mereology / 4. Groups

[collections of individuals with a unifying concept]

3 ideas
A 'group' is a collection with a condition which constitutes their being united [Simons]
The same members may form two groups [Simons]
'The wolves' are the matter of 'the pack'; the latter is a group, with different identity conditions [Simons]