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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-ismoore | Structured version Visualization version Unicode version |
Description: Characterization of Moore collections among sets. (Contributed by BJ, 9-Dec-2021.) |
Ref | Expression |
---|---|
bj-ismoore | Moore_ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pweq 4161 | . . 3 | |
2 | unieq 4444 | . . . . 5 | |
3 | 2 | ineq1d 3813 | . . . 4 |
4 | id 22 | . . . 4 | |
5 | 3, 4 | eleq12d 2695 | . . 3 |
6 | 1, 5 | raleqbidv 3152 | . 2 |
7 | df-bj-moore 33058 | . 2 Moore_ | |
8 | 6, 7 | elab2g 3353 | 1 Moore_ |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wceq 1483 wcel 1990 wral 2912 cin 3573 cpw 4158 cuni 4436 cint 4475 Moore_cmoore 33057 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-v 3202 df-in 3581 df-ss 3588 df-pw 4160 df-uni 4437 df-bj-moore 33058 |
This theorem is referenced by: bj-ismoorec 33060 bj-ismoored0 33061 bj-ismooredr 33064 bj-ismooredr2 33065 |
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