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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 27978 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5328 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27947 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27953 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2859 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2143 ∅c0 4287 𝒫 cpw 4563 class class class wbr 5110 (class class class)co 7412 No csur 27782 <<s cslts 27928 |s ccuts 27930 0s c0s 27976 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5239 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-tp 4595 df-op 4597 df-uni 4874 df-int 4914 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 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 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-1o 8454 df-2o 8455 df-no 27785 df-lts 27786 df-bday 27787 df-slts 27929 df-cuts 27931 df-0s 27978 |
| This theorem is referenced by: 1no 27981 0lt1s 27983 bday1 27985 cuteq0 27986 cutneg 27987 cuteq1 27988 gt0ne0s 27989 made0 28034 right1s 28067 0elold 28081 addsrid 28135 addslid 28139 addsproplem2 28141 addsfo 28154 ltaddspos1d 28182 ltaddspos2d 28183 addsgt0d 28185 ltsp1d 28186 addsge01d 28187 neg0s 28197 neg1s 28198 negsproplem2 28200 negsproplem6 28204 negscl 28207 negsid 28212 negsdi 28221 lt0negs2d 28222 subsfo 28236 negsval2 28237 subsid1 28239 posdifsd 28269 ltsubsposd 28270 subsge0d 28271 muls01 28283 mulsrid 28284 mulsproplem2 28288 mulsproplem3 28289 mulsproplem4 28290 mulsproplem5 28291 mulsproplem6 28292 mulsproplem7 28293 mulsproplem8 28294 mulscl 28305 ltmuls 28307 lemulsd 28309 muls02 28312 mulsgt0 28315 mulsge0d 28317 ltmulnegs1d 28347 mulscan2d 28350 lemuls1ad 28353 ltmuls12ad 28354 muls0ord 28356 precsexlem8 28385 precsexlem9 28386 precsexlem11 28388 recsex 28390 abs0s 28413 abssnid 28414 absmuls 28415 abssge0 28416 absnegs 28418 leabss 28419 0ons 28427 peano5n0s 28490 n0ssno 28491 0n0s 28500 peano2n0s 28501 dfn0s2 28503 n0sind 28504 n0cut 28505 n0sge0 28509 nnsgt0 28510 elnns2 28512 nnsge1 28514 nnsrecgt0d 28522 seqn0sfn 28531 n0subs 28534 n0lts1e0 28539 eucliddivs 28547 elzs2 28570 elnnzs 28572 elznns 28573 twocut 28594 nohalf 28595 pw2recs 28609 pw2gt0divsd 28616 pw2ge0divsd 28617 pw2divsnegd 28620 pw2divs0d 28626 halfcut 28629 bdaypw2n0bndlem 28634 bdaypw2n0bnd 28635 bdayfinbndlem1 28638 z12bdaylem1 28641 z12bday 28656 bdayfin 28658 recut 28665 elreno2 28666 0reno 28667 1reno 28668 |
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