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| Mirrors > Home > MPE Home > Th. List > 1no | Structured version Visualization version GIF version | ||
| Description: Surreal one is a surreal. (Contributed by Scott Fenton, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| 1no | ⊢ 1s ∈ No |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-1s 27878 | . 2 ⊢ 1s = ({ 0s } |s ∅) | |
| 2 | 0no 27879 | . . . . 5 ⊢ 0s ∈ No | |
| 3 | snelpwi 5410 | . . . . 5 ⊢ ( 0s ∈ No → { 0s } ∈ 𝒫 No ) | |
| 4 | 2, 3 | ax-mp 5 | . . . 4 ⊢ { 0s } ∈ 𝒫 No |
| 5 | nulsgts 27846 | . . . 4 ⊢ ({ 0s } ∈ 𝒫 No → { 0s } <<s ∅) | |
| 6 | 4, 5 | ax-mp 5 | . . 3 ⊢ { 0s } <<s ∅ |
| 7 | cutscl 27852 | . . 3 ⊢ ({ 0s } <<s ∅ → ({ 0s } |s ∅) ∈ No ) | |
| 8 | 6, 7 | ax-mp 5 | . 2 ⊢ ({ 0s } |s ∅) ∈ No |
| 9 | 1, 8 | eqeltri 2857 | 1 ⊢ 1s ∈ No |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2141 ∅c0 4285 𝒫 cpw 4554 {csn 4581 class class class wbr 5099 (class class class)co 7392 No csur 27681 <<s cslts 27827 |s ccuts 27829 0s c0s 27875 1s c1s 27876 |
| 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 df-1s 27878 |
| This theorem is referenced by: cuteq1 27887 right1s 27966 peano2no 28054 ltsp1d 28085 neg1s 28097 ltsm1d 28172 mulsrid 28183 mulslid 28212 divs1 28274 precsexlem8 28284 precsexlem9 28285 precsexlem10 28286 precsexlem11 28287 divsrecd 28304 divsdird 28305 1ons 28327 n0cut 28404 n0cut2 28405 n0on 28406 n0sge0 28408 n0s0suc 28412 nnsge1 28413 n0addscl 28414 n0mulscl 28415 1n0s 28418 nnsrecgt0d 28421 n0fincut 28425 n0s0m1 28432 n0subs 28433 n0ltsp1le 28435 n0lesltp1 28436 n0lesm1lt 28437 n0lts1e0 28438 n0p1nns 28441 dfnns2 28442 nnsind 28443 nn1m1nns 28444 nnm1n0s 28445 eucliddivs 28446 nnzs 28456 0zs 28458 elzn0s 28468 peano5uzs 28474 zcuts 28477 no2times 28487 n0seo 28491 zseo 28492 twocut 28493 nohalf 28494 expsval 28495 exps1 28498 expsp1 28499 expscl 28501 expadds 28505 pw2recs 28508 pw2divsrecd 28517 pw2divsdird 28518 pw2divsidd 28526 halfcut 28528 addhalfcut 28529 pw2cut 28530 pw2cutp1 28531 pw2cut2 28532 bdaypw2n0bndlem 28533 bdaypw2bnd 28535 bdayfinbndlem1 28537 z12bdaylem1 28540 z12bdaylem2 28541 recut 28564 elreno2 28565 0reno 28566 1reno 28567 renegscl 28568 readdscl 28569 remulscllem1 28570 remulscl 28572 |
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