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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 27799 | . 2 ⊢ 0s = (∅ |s ∅) | |
| 2 | 0elpw 5297 | . . . 4 ⊢ ∅ ∈ 𝒫 No | |
| 3 | nulsgts 27768 | . . . 4 ⊢ (∅ ∈ 𝒫 No → ∅ <<s ∅) | |
| 4 | 2, 3 | ax-mp 5 | . . 3 ⊢ ∅ <<s ∅ |
| 5 | cutscl 27774 | . . 3 ⊢ (∅ <<s ∅ → (∅ |s ∅) ∈ No ) | |
| 6 | 4, 5 | ax-mp 5 | . 2 ⊢ (∅ |s ∅) ∈ No |
| 7 | 1, 6 | eqeltri 2832 | 1 ⊢ 0s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2114 ∅c0 4273 𝒫 cpw 4541 class class class wbr 5085 (class class class)co 7367 No csur 27603 <<s cslts 27749 |s ccuts 27751 0s c0s 27797 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-int 4890 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-ord 6326 df-on 6327 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-1o 8405 df-2o 8406 df-no 27606 df-lts 27607 df-bday 27608 df-slts 27750 df-cuts 27752 df-0s 27799 |
| This theorem is referenced by: 1no 27802 0lt1s 27804 bday1 27806 cuteq0 27807 cutneg 27808 cuteq1 27809 gt0ne0s 27810 made0 27855 right1s 27888 0elold 27902 addsrid 27956 addslid 27960 addsproplem2 27962 addsfo 27975 ltaddspos1d 28003 ltaddspos2d 28004 addsgt0d 28006 ltsp1d 28007 addsge01d 28008 neg0s 28018 neg1s 28019 negsproplem2 28021 negsproplem6 28025 negscl 28028 negsid 28033 negsdi 28042 lt0negs2d 28043 subsfo 28057 negsval2 28058 subsid1 28060 posdifsd 28090 ltsubsposd 28091 subsge0d 28092 muls01 28104 mulsrid 28105 mulsproplem2 28109 mulsproplem3 28110 mulsproplem4 28111 mulsproplem5 28112 mulsproplem6 28113 mulsproplem7 28114 mulsproplem8 28115 mulscl 28126 ltmuls 28128 lemulsd 28130 muls02 28133 mulsgt0 28136 mulsge0d 28138 ltmulnegs1d 28168 mulscan2d 28171 lemuls1ad 28174 ltmuls12ad 28175 muls0ord 28177 precsexlem8 28206 precsexlem9 28207 precsexlem11 28209 recsex 28211 abs0s 28234 abssnid 28235 absmuls 28236 abssge0 28237 absnegs 28239 leabss 28240 0ons 28248 peano5n0s 28311 n0ssno 28312 0n0s 28321 peano2n0s 28322 dfn0s2 28324 n0sind 28325 n0cut 28326 n0sge0 28330 nnsgt0 28331 elnns2 28333 nnsge1 28335 nnsrecgt0d 28343 seqn0sfn 28352 n0subs 28355 n0lts1e0 28360 eucliddivs 28368 elzs2 28391 elnnzs 28393 elznns 28394 twocut 28415 nohalf 28416 pw2recs 28430 pw2gt0divsd 28437 pw2ge0divsd 28438 pw2divsnegd 28441 pw2divs0d 28447 halfcut 28450 bdaypw2n0bndlem 28455 bdaypw2n0bnd 28456 bdayfinbndlem1 28459 z12bdaylem1 28462 z12bday 28477 bdayfin 28479 recut 28486 elreno2 28487 0reno 28488 1reno 28489 |
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