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| Both sides previous revision Previous revision | Next revision Both sides next revision | ||
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hereditarily_finite_set [2014/12/05 15:19] nikolaj |
hereditarily_finite_set [2014/12/06 15:36] nikolaj |
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| | @#55EE55: postulate | @#55EE55: $\emptyset\in V_\omega$ | | | @#55EE55: postulate | @#55EE55: $\emptyset\in V_\omega$ | | ||
| | @#FFFDDD: for all | @#FFFDDD: $x\in V_\omega$ | | | @#FFFDDD: for all | @#FFFDDD: $x\in V_\omega$ | | ||
| - | | @#55EE55: postulate | @#55EE55: $x = \emptyset\ \lor\ \exists (y\in V_\omega).\ x = {\mathcal P}y $ | | + | | @#55EE55: postulate | @#55EE55: $x = \emptyset\ \lor\ \exists (y\in V_\omega).\ x = {\mathcal P}(y) $ | |
| ==== Discussion ==== | ==== Discussion ==== | ||
