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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 27877 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5311 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27846 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27852 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2857 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2141 ∅c0 4285 𝒫 cpw 4554 class class class wbr 5099 (class class class)co 7392 No csur 27681 <<s cslts 27827 |s ccuts 27829 0s c0s 27875 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-uni 4865 df-int 4905 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-ord 6345 df-on 6346 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-1o 8432 df-2o 8433 df-no 27684 df-lts 27685 df-bday 27686 df-slts 27828 df-cuts 27830 df-0s 27877 |
| This theorem is referenced by: 1no 27880 0lt1s 27882 bday1 27884 cuteq0 27885 cutneg 27886 cuteq1 27887 gt0ne0s 27888 made0 27933 right1s 27966 0elold 27980 addsrid 28034 addslid 28038 addsproplem2 28040 addsfo 28053 ltaddspos1d 28081 ltaddspos2d 28082 addsgt0d 28084 ltsp1d 28085 addsge01d 28086 neg0s 28096 neg1s 28097 negsproplem2 28099 negsproplem6 28103 negscl 28106 negsid 28111 negsdi 28120 lt0negs2d 28121 subsfo 28135 negsval2 28136 subsid1 28138 posdifsd 28168 ltsubsposd 28169 subsge0d 28170 muls01 28182 mulsrid 28183 mulsproplem2 28187 mulsproplem3 28188 mulsproplem4 28189 mulsproplem5 28190 mulsproplem6 28191 mulsproplem7 28192 mulsproplem8 28193 mulscl 28204 ltmuls 28206 lemulsd 28208 muls02 28211 mulsgt0 28214 mulsge0d 28216 ltmulnegs1d 28246 mulscan2d 28249 lemuls1ad 28252 ltmuls12ad 28253 muls0ord 28255 precsexlem8 28284 precsexlem9 28285 precsexlem11 28287 recsex 28289 abs0s 28312 abssnid 28313 absmuls 28314 abssge0 28315 absnegs 28317 leabss 28318 0ons 28326 peano5n0s 28389 n0ssno 28390 0n0s 28399 peano2n0s 28400 dfn0s2 28402 n0sind 28403 n0cut 28404 n0sge0 28408 nnsgt0 28409 elnns2 28411 nnsge1 28413 nnsrecgt0d 28421 seqn0sfn 28430 n0subs 28433 n0lts1e0 28438 eucliddivs 28446 elzs2 28469 elnnzs 28471 elznns 28472 twocut 28493 nohalf 28494 pw2recs 28508 pw2gt0divsd 28515 pw2ge0divsd 28516 pw2divsnegd 28519 pw2divs0d 28525 halfcut 28528 bdaypw2n0bndlem 28533 bdaypw2n0bnd 28534 bdayfinbndlem1 28537 z12bdaylem1 28540 z12bday 28555 bdayfin 28557 recut 28564 elreno2 28565 0reno 28566 1reno 28567 |
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