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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 28080 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5324 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 28049 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 28055 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2858 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2145 ∅c0 4282 𝒫 cpw 4560 class class class wbr 5107 (class class class)co 7417 No csur 27884 <<s cslts 28030 |s ccuts 28032 0s c0s 28078 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4594 df-uni 4871 df-int 4911 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-ord 6364 df-on 6365 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-1o 8459 df-2o 8460 df-no 27887 df-lts 27888 df-bday 27889 df-slts 28031 df-cuts 28033 df-0s 28080 |
| This theorem is used by: 1no 28083 0lt1s 28085 bday1 28087 cuteq0 28088 cutneg 28089 cuteq1 28090 gt0ne0s 28091 made0 28136 right1s 28169 0elold 28183 addsrid 28237 addslid 28241 addsproplem2 28243 addsfo 28256 ltaddspos1d 28284 ltaddspos2d 28285 addsgt0d 28287 ltsp1d 28288 addsge01d 28289 neg0s 28299 neg1s 28300 negsproplem2 28302 negsproplem6 28306 negscl 28309 negsid 28314 negsdi 28323 lt0negs2d 28324 subsfo 28338 negsval2 28339 subsid1 28341 posdifsd 28371 ltsubsposd 28372 subsge0d 28373 muls01 28385 mulsrid 28386 mulsproplem2 28390 mulsproplem3 28391 mulsproplem4 28392 mulsproplem5 28393 mulsproplem6 28394 mulsproplem7 28395 mulsproplem8 28396 mulscl 28407 ltmuls 28409 lemulsd 28411 muls02 28414 mulsgt0 28417 mulsge0d 28419 ltmulnegs1d 28449 mulscan2d 28452 lemuls1ad 28455 ltmuls12ad 28456 muls0ord 28458 precsexlem8 28487 precsexlem9 28488 precsexlem11 28490 recsex 28492 abs0s 28515 abssnid 28516 absmuls 28517 abssge0 28518 absnegs 28520 leabss 28521 0ons 28529 peano5n0s 28592 n0ssno 28593 0n0s 28602 peano2n0s 28603 dfn0s2 28605 n0sind 28606 n0cut 28607 n0sge0 28611 nnsgt0 28612 elnns2 28614 nnsge1 28616 nnsrecgt0d 28624 seqn0sfn 28633 n0subs 28636 n0lts1e0 28641 eucliddivs 28649 elzs2 28672 elnnzs 28674 elznns 28675 twocut 28696 nohalf 28697 pw2recs 28711 pw2gt0divsd 28718 pw2ge0divsd 28719 pw2divsnegd 28722 pw2divs0d 28728 halfcut 28731 bdaypw2n0bndlem 28736 bdaypw2n0bnd 28737 bdayfinbndlem1 28740 z12bdaylem1 28743 z12bday 28758 bdayfin 28760 recut 28767 elreno2 28768 0reno 28769 1reno 28770 |
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