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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 27819 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5286 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27788 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27794 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2837 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2121 ∅c0 4263 𝒫 cpw 4531 class class class wbr 5074 (class class class)co 7359 No csur 27624 <<s cslts 27769 |s ccuts 27771 0s c0s 27817 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7681 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3or 1094 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-ral 3056 df-rex 3066 df-rmo 3346 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3725 df-csb 3833 df-dif 3887 df-un 3889 df-in 3891 df-ss 3901 df-pss 3904 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4841 df-int 4880 df-br 5075 df-opab 5137 df-mpt 5156 df-tr 5182 df-id 5515 df-eprel 5520 df-po 5528 df-so 5529 df-fr 5573 df-we 5575 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-ord 6316 df-on 6317 df-suc 6319 df-iota 6444 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-riota 7316 df-ov 7362 df-oprab 7363 df-mpo 7364 df-1o 8399 df-2o 8400 df-no 27627 df-lts 27628 df-bday 27629 df-slts 27770 df-cuts 27772 df-0s 27819 |
| This theorem is referenced by: 1no 27822 0lt1s 27824 bday1 27826 cuteq0 27827 cutneg 27828 cuteq1 27829 gt0ne0s 27830 made0 27875 right1s 27908 0elold 27922 addsrid 27976 addslid 27980 addsproplem2 27982 addsfo 27995 ltaddspos1d 28023 ltaddspos2d 28024 addsgt0d 28026 ltsp1d 28027 addsge01d 28028 neg0s 28038 neg1s 28039 negsproplem2 28041 negsproplem6 28045 negscl 28048 negsid 28053 negsdi 28062 lt0negs2d 28063 subsfo 28077 negsval2 28078 subsid1 28080 posdifsd 28110 ltsubsposd 28111 subsge0d 28112 muls01 28124 mulsrid 28125 mulsproplem2 28129 mulsproplem3 28130 mulsproplem4 28131 mulsproplem5 28132 mulsproplem6 28133 mulsproplem7 28134 mulsproplem8 28135 mulscl 28146 ltmuls 28148 lemulsd 28150 muls02 28153 mulsgt0 28156 mulsge0d 28158 ltmulnegs1d 28188 mulscan2d 28191 lemuls1ad 28194 ltmuls12ad 28195 muls0ord 28197 precsexlem8 28226 precsexlem9 28227 precsexlem11 28229 recsex 28231 abs0s 28254 abssnid 28255 absmuls 28256 abssge0 28257 absnegs 28259 leabss 28260 0ons 28268 peano5n0s 28331 n0ssno 28332 0n0s 28341 peano2n0s 28342 dfn0s2 28344 n0sind 28345 n0cut 28346 n0sge0 28350 nnsgt0 28351 elnns2 28353 nnsge1 28355 nnsrecgt0d 28363 seqn0sfn 28372 n0subs 28375 n0lts1e0 28380 eucliddivs 28388 elzs2 28411 elnnzs 28413 elznns 28414 twocut 28435 nohalf 28436 pw2recs 28450 pw2gt0divsd 28457 pw2ge0divsd 28458 pw2divsnegd 28461 pw2divs0d 28467 halfcut 28470 bdaypw2n0bndlem 28475 bdaypw2n0bnd 28476 bdayfinbndlem1 28479 z12bdaylem1 28482 z12bday 28497 bdayfin 28499 recut 28506 elreno2 28507 0reno 28508 1reno 28509 |
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