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| Description: No Hilbert lattice element is smaller than zero. |
| Ref | Expression |
|---|---|
| chle0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | chsh 11721 |
. 2
| |
| 2 | shle0 11991 |
. 2
| |
| 3 | 1, 2 | syl 13 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: chle0i 12000 chssoc 12044 hatomistici 12923 atcvat4i 12958 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1621 ax-gen 1622 ax-8 1623 ax-9 1624 ax-10 1625 ax-11 1626 ax-12 1627 ax-17 1634 ax-4 1637 ax-5o 1639 ax-6o 1642 ax-9o 1792 ax-10o 1810 ax-16 1883 ax-11o 1893 ax-ext 2152 ax-sep 3638 ax-hilex 11497 |
| This theorem depends on definitions: df-bi 232 df-or 434 df-an 435 df-ex 1645 df-sb 1845 df-clab 2158 df-cleq 2163 df-clel 2166 df-ral 2389 df-v 2571 df-in 2866 df-ss 2868 df-sn 3274 df-sh 11703 df-ch 11717 df-ch0 11750 |