| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > lrcut | Structured version Visualization version GIF version | ||
| Description: A surreal is equal to the cut of its left and right sets. (Contributed by Scott Fenton, 19-Aug-2024.) |
| Ref | Expression |
|---|---|
| lrcut | ⊢ (𝑋 ∈ No → (( L ‘𝑋) |s ( R ‘𝑋)) = 𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bdayon 27744 | . . . . 5 ⊢ ( bday ‘𝑋) ∈ On | |
| 2 | 1 | oneli 6439 | . . . 4 ⊢ (𝑏 ∈ ( bday ‘𝑋) → 𝑏 ∈ On) |
| 3 | madebday 27892 | . . . . 5 ⊢ ((𝑏 ∈ On ∧ 𝑦 ∈ No ) → (𝑦 ∈ ( M ‘𝑏) ↔ ( bday ‘𝑦) ⊆ 𝑏)) | |
| 4 | 3 | biimprd 248 | . . . 4 ⊢ ((𝑏 ∈ On ∧ 𝑦 ∈ No ) → (( bday ‘𝑦) ⊆ 𝑏 → 𝑦 ∈ ( M ‘𝑏))) |
| 5 | 2, 4 | sylan 581 | . . 3 ⊢ ((𝑏 ∈ ( bday ‘𝑋) ∧ 𝑦 ∈ No ) → (( bday ‘𝑦) ⊆ 𝑏 → 𝑦 ∈ ( M ‘𝑏))) |
| 6 | 5 | rgen2 3178 | . 2 ⊢ ∀𝑏 ∈ ( bday ‘𝑋)∀𝑦 ∈ No (( bday ‘𝑦) ⊆ 𝑏 → 𝑦 ∈ ( M ‘𝑏)) |
| 7 | madebdaylemlrcut 27891 | . 2 ⊢ ((∀𝑏 ∈ ( bday ‘𝑋)∀𝑦 ∈ No (( bday ‘𝑦) ⊆ 𝑏 → 𝑦 ∈ ( M ‘𝑏)) ∧ 𝑋 ∈ No ) → (( L ‘𝑋) |s ( R ‘𝑋)) = 𝑋) | |
| 8 | 6, 7 | mpan 691 | 1 ⊢ (𝑋 ∈ No → (( L ‘𝑋) |s ( R ‘𝑋)) = 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3052 ⊆ wss 3890 Oncon0 6324 ‘cfv 6499 (class class class)co 7367 No csur 27603 bday cbday 27605 |s ccuts 27751 M cmade 27814 L cleft 27817 R cright 27818 |
| 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 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5308 ax-pr 5376 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 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-pred 6266 df-ord 6327 df-on 6328 df-suc 6330 df-iota 6455 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-1o 8405 df-2o 8406 df-no 27606 df-lts 27607 df-bday 27608 df-slts 27750 df-cuts 27752 df-made 27819 df-old 27820 df-left 27822 df-right 27823 |
| This theorem is referenced by: cutsfo 27897 ltsn0 27898 ltslpss 27900 leslss 27901 bdayiun 27907 cutpos 27925 cutminmax 27928 addsrid 27956 addsasslem1 27995 addsasslem2 27996 negsid 28033 mulsrid 28105 addsdilem1 28143 mulsasslem1 28155 mulsasslem2 28156 elons2 28250 oncutleft 28255 oncutlt 28256 onsbnd 28273 n0fincut 28347 halfcut 28450 elreno2 28487 |
| Copyright terms: Public domain | W3C validator |