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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 27824 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5291 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27793 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27799 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2836 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2119 ∅c0 4268 𝒫 cpw 4536 class class class wbr 5079 (class class class)co 7363 No csur 27628 <<s cslts 27774 |s ccuts 27776 0s c0s 27822 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2712 ax-rep 5206 ax-sep 5225 ax-nul 5235 ax-pow 5301 ax-pr 5369 ax-un 7685 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3or 1093 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2719 df-cleq 2732 df-clel 2815 df-nfc 2889 df-ne 2936 df-ral 3055 df-rex 3065 df-rmo 3345 df-reu 3346 df-rab 3393 df-v 3434 df-sbc 3731 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4269 df-if 4462 df-pw 4538 df-sn 4563 df-pr 4565 df-tp 4567 df-op 4569 df-uni 4846 df-int 4885 df-br 5080 df-opab 5142 df-mpt 5161 df-tr 5187 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-ord 6320 df-on 6321 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7320 df-ov 7366 df-oprab 7367 df-mpo 7368 df-1o 8402 df-2o 8403 df-no 27631 df-lts 27632 df-bday 27633 df-slts 27775 df-cuts 27777 df-0s 27824 |
| This theorem is referenced by: 1no 27827 0lt1s 27829 bday1 27831 cuteq0 27832 cutneg 27833 cuteq1 27834 gt0ne0s 27835 made0 27880 right1s 27913 0elold 27927 addsrid 27981 addslid 27985 addsproplem2 27987 addsfo 28000 ltaddspos1d 28028 ltaddspos2d 28029 addsgt0d 28031 ltsp1d 28032 addsge01d 28033 neg0s 28043 neg1s 28044 negsproplem2 28046 negsproplem6 28050 negscl 28053 negsid 28058 negsdi 28067 lt0negs2d 28068 subsfo 28082 negsval2 28083 subsid1 28085 posdifsd 28115 ltsubsposd 28116 subsge0d 28117 muls01 28129 mulsrid 28130 mulsproplem2 28134 mulsproplem3 28135 mulsproplem4 28136 mulsproplem5 28137 mulsproplem6 28138 mulsproplem7 28139 mulsproplem8 28140 mulscl 28151 ltmuls 28153 lemulsd 28155 muls02 28158 mulsgt0 28161 mulsge0d 28163 ltmulnegs1d 28193 mulscan2d 28196 lemuls1ad 28199 ltmuls12ad 28200 muls0ord 28202 precsexlem8 28231 precsexlem9 28232 precsexlem11 28234 recsex 28236 abs0s 28259 abssnid 28260 absmuls 28261 abssge0 28262 absnegs 28264 leabss 28265 0ons 28273 peano5n0s 28336 n0ssno 28337 0n0s 28346 peano2n0s 28347 dfn0s2 28349 n0sind 28350 n0cut 28351 n0sge0 28355 nnsgt0 28356 elnns2 28358 nnsge1 28360 nnsrecgt0d 28368 seqn0sfn 28377 n0subs 28380 n0lts1e0 28385 eucliddivs 28393 elzs2 28416 elnnzs 28418 elznns 28419 twocut 28440 nohalf 28441 pw2recs 28455 pw2gt0divsd 28462 pw2ge0divsd 28463 pw2divsnegd 28466 pw2divs0d 28472 halfcut 28475 bdaypw2n0bndlem 28480 bdaypw2n0bnd 28481 bdayfinbndlem1 28484 z12bdaylem1 28487 z12bday 28502 bdayfin 28504 recut 28511 elreno2 28512 0reno 28513 1reno 28514 |
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