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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 28037 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5331 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 28006 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 28012 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2862 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2146 ∅c0 4289 𝒫 cpw 4567 class class class wbr 5114 (class class class)co 7423 No csur 27841 <<s cslts 27987 |s ccuts 27989 0s c0s 28035 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4878 df-int 4918 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-ord 6370 df-on 6371 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-1o 8462 df-2o 8463 df-no 27844 df-lts 27845 df-bday 27846 df-slts 27988 df-cuts 27990 df-0s 28037 |
| This theorem is used by: 1no 28040 0lt1s 28042 bday1 28044 cuteq0 28045 cutneg 28046 cuteq1 28047 gt0ne0s 28048 made0 28093 right1s 28126 0elold 28140 addsrid 28194 addslid 28198 addsproplem2 28200 addsfo 28213 ltaddspos1d 28241 ltaddspos2d 28242 addsgt0d 28244 ltsp1d 28245 addsge01d 28246 neg0s 28256 neg1s 28257 negsproplem2 28259 negsproplem6 28263 negscl 28266 negsid 28271 negsdi 28280 lt0negs2d 28281 subsfo 28295 negsval2 28296 subsid1 28298 posdifsd 28328 ltsubsposd 28329 subsge0d 28330 muls01 28342 mulsrid 28343 mulsproplem2 28347 mulsproplem3 28348 mulsproplem4 28349 mulsproplem5 28350 mulsproplem6 28351 mulsproplem7 28352 mulsproplem8 28353 mulscl 28364 ltmuls 28366 lemulsd 28368 muls02 28371 mulsgt0 28374 mulsge0d 28376 ltmulnegs1d 28406 mulscan2d 28409 lemuls1ad 28412 ltmuls12ad 28413 muls0ord 28415 precsexlem8 28444 precsexlem9 28445 precsexlem11 28447 recsex 28449 abs0s 28472 abssnid 28473 absmuls 28474 abssge0 28475 absnegs 28477 leabss 28478 0ons 28486 peano5n0s 28549 n0ssno 28550 0n0s 28559 peano2n0s 28560 dfn0s2 28562 n0sind 28563 n0cut 28564 n0sge0 28568 nnsgt0 28569 elnns2 28571 nnsge1 28573 nnsrecgt0d 28581 seqn0sfn 28590 n0subs 28593 n0lts1e0 28598 eucliddivs 28606 elzs2 28629 elnnzs 28631 elznns 28632 twocut 28653 nohalf 28654 pw2recs 28668 pw2gt0divsd 28675 pw2ge0divsd 28676 pw2divsnegd 28679 pw2divs0d 28685 halfcut 28688 bdaypw2n0bndlem 28693 bdaypw2n0bnd 28694 bdayfinbndlem1 28697 z12bdaylem1 28700 z12bday 28715 bdayfin 28717 recut 28724 elreno2 28725 0reno 28726 1reno 28727 |
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