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| Mirrors > Home > MPE Home > Th. List > 0no | Structured version Visualization version GIF version | ||
| Description: Surreal zero is a surreal. (Contributed by Scott Fenton, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| 0no | ⊢ 0s ∈ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-0s 28198 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5316 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 28167 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 28173 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2856 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2144 ∅c0 4278 𝒫 cpw 4556 class class class wbr 5102 (class class class)co 7420 Nocsur 28002 <<s cslts 28148 |s ccuts 28150 0s c0s 28196 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-ord 6365 df-on 6366 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-1o 8479 df-2o 8480 df-no 28005 df-lts 28006 df-bday 28007 df-slts 28149 df-cuts 28151 df-0s 28198 |
| This theorem is used by: 1no 28201 0lt1s 28203 bday1 28205 cuteq0 28206 cutneg 28207 cuteq1 28208 gt0ne0s 28209 made0 28254 right1s 28287 0elold 28301 addsrid 28355 addslid 28359 addsproplem2 28361 addsfo 28374 ltaddspos1d 28402 ltaddspos2d 28403 addsgt0d 28405 ltsp1d 28406 addsge01d 28407 neg0s 28417 neg1s 28418 negsproplem2 28420 negsproplem6 28424 negscl 28427 negsid 28432 negsdi 28441 lt0negs2d 28442 subsfo 28456 negsval2 28457 subsid1 28459 posdifsd 28489 ltsubsposd 28490 subsge0d 28491 muls01 28503 mulsrid 28504 mulsproplem2 28508 mulsproplem3 28509 mulsproplem4 28510 mulsproplem5 28511 mulsproplem6 28512 mulsproplem7 28513 mulsproplem8 28514 mulscl 28525 ltmuls 28527 lemulsd 28529 muls02 28532 mulsgt0 28535 mulsge0d 28537 ltmulnegs1d 28567 mulscan2d 28570 lemuls1ad 28573 ltmuls12ad 28574 muls0ord 28576 precsexlem8 28605 precsexlem9 28606 precsexlem11 28608 recsex 28610 abs0s 28633 abssnid 28634 absmuls 28635 abssge0 28636 absnegs 28638 leabss 28639 0ons 28647 peano5n0s 28710 n0ssno 28711 0n0s 28720 peano2n0s 28721 dfn0s2 28723 n0sind 28724 n0cut 28725 n0sge0 28729 nnsgt0 28730 elnns2 28732 nnsge1 28734 nnsrecgt0d 28742 seqn0sfn 28751 n0subs 28754 n0lts1e0 28759 eucliddivs 28767 elzs2 28790 elnnzs 28792 elznns 28793 twocut 28814 nohalf 28815 pw2recs 28829 pw2gt0divsd 28836 pw2ge0divsd 28837 pw2divsnegd 28840 pw2divs0d 28846 halfcut 28849 bdaypw2n0bndlem 28854 bdaypw2n0bnd 28855 bdayfinbndlem1 28858 z12bdaylem1 28861 z12bday 28876 bdayfin 28878 recut 28885 elreno2 28886 0reno 28887 1reno 28888 |
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