Combining Texts

All the ideas for 'Set Theory and related topics (2nd ed)', 'works' and 'Prerequisite to Dignity of Labour'

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

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3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / e. Equivalence classes

8920	Equivalence relations are reflexive, symmetric and transitive, and classify similar objects [Lipschutz]

21. Aesthetics / A. Aesthetic Experience / 4. Beauty

23832

We both desire what is beautiful, and want it to remain as it is [Weil]

24. Political Theory / D. Ideologies / 8. Socialism

23053

The great interest of the human race is cordial unity and unlimited mutual aid [Owen]