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Mirrors > Home > HSE Home > Th. List > shne0i | Structured version Visualization version Unicode version |
Description: A nonzero subspace has a nonzero vector. (Contributed by NM, 25-Feb-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
shne0.1 |
Ref | Expression |
---|---|
shne0i |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ne 2795 | . 2 | |
2 | df-rex 2918 | . . 3 | |
3 | nss 3663 | . . 3 | |
4 | shne0.1 | . . . . 5 | |
5 | shle0 28301 | . . . . 5 | |
6 | 4, 5 | ax-mp 5 | . . . 4 |
7 | 6 | notbii 310 | . . 3 |
8 | 2, 3, 7 | 3bitr2ri 289 | . 2 |
9 | elch0 28111 | . . . 4 | |
10 | 9 | necon3bbii 2841 | . . 3 |
11 | 10 | rexbii 3041 | . 2 |
12 | 1, 8, 11 | 3bitri 286 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wb 196 wa 384 wceq 1483 wex 1704 wcel 1990 wne 2794 wrex 2913 wss 3574 c0v 27781 csh 27785 c0h 27792 |
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 ax-sep 4781 ax-hilex 27856 ax-hv0cl 27860 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 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-ne 2795 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-xp 5120 df-cnv 5122 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-sh 28064 df-ch0 28110 |
This theorem is referenced by: chne0i 28312 shatomici 29217 |
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