| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > ssltright | Structured version Visualization version GIF version | ||
| Description: A surreal is less than its right options. Theorem 0(i) of [Conway] p. 16. (Contributed by Scott Fenton, 7-Aug-2024.) |
| Ref | Expression |
|---|---|
| ssltright | ⊢ (𝐴 ∈ No → {𝐴} <<s ( R ‘𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | snex 5399 | . . 3 ⊢ {𝐴} ∈ V | |
| 2 | 1 | a1i 11 | . 2 ⊢ (𝐴 ∈ No → {𝐴} ∈ V) |
| 3 | fvexd 6880 | . 2 ⊢ (𝐴 ∈ No → ( R ‘𝐴) ∈ V) | |
| 4 | snssi 4780 | . 2 ⊢ (𝐴 ∈ No → {𝐴} ⊆ No ) | |
| 5 | rightf 27785 | . . . 4 ⊢ R : No ⟶𝒫 No | |
| 6 | 5 | ffvelcdmi 7062 | . . 3 ⊢ (𝐴 ∈ No → ( R ‘𝐴) ∈ 𝒫 No ) |
| 7 | 6 | elpwid 4580 | . 2 ⊢ (𝐴 ∈ No → ( R ‘𝐴) ⊆ No ) |
| 8 | velsn 4613 | . . . 4 ⊢ (𝑥 ∈ {𝐴} ↔ 𝑥 = 𝐴) | |
| 9 | rightval 27779 | . . . . . . . . . 10 ⊢ ( R ‘𝐴) = {𝑦 ∈ ( O ‘( bday ‘𝐴)) ∣ 𝐴 <s 𝑦} | |
| 10 | 9 | a1i 11 | . . . . . . . . 9 ⊢ (𝐴 ∈ No → ( R ‘𝐴) = {𝑦 ∈ ( O ‘( bday ‘𝐴)) ∣ 𝐴 <s 𝑦}) |
| 11 | 10 | eleq2d 2815 | . . . . . . . 8 ⊢ (𝐴 ∈ No → (𝑦 ∈ ( R ‘𝐴) ↔ 𝑦 ∈ {𝑦 ∈ ( O ‘( bday ‘𝐴)) ∣ 𝐴 <s 𝑦})) |
| 12 | rabid 3433 | . . . . . . . 8 ⊢ (𝑦 ∈ {𝑦 ∈ ( O ‘( bday ‘𝐴)) ∣ 𝐴 <s 𝑦} ↔ (𝑦 ∈ ( O ‘( bday ‘𝐴)) ∧ 𝐴 <s 𝑦)) | |
| 13 | 11, 12 | bitrdi 287 | . . . . . . 7 ⊢ (𝐴 ∈ No → (𝑦 ∈ ( R ‘𝐴) ↔ (𝑦 ∈ ( O ‘( bday ‘𝐴)) ∧ 𝐴 <s 𝑦))) |
| 14 | 13 | simplbda 499 | . . . . . 6 ⊢ ((𝐴 ∈ No ∧ 𝑦 ∈ ( R ‘𝐴)) → 𝐴 <s 𝑦) |
| 15 | breq1 5118 | . . . . . 6 ⊢ (𝑥 = 𝐴 → (𝑥 <s 𝑦 ↔ 𝐴 <s 𝑦)) | |
| 16 | 14, 15 | imbitrrid 246 | . . . . 5 ⊢ (𝑥 = 𝐴 → ((𝐴 ∈ No ∧ 𝑦 ∈ ( R ‘𝐴)) → 𝑥 <s 𝑦)) |
| 17 | 16 | expd 415 | . . . 4 ⊢ (𝑥 = 𝐴 → (𝐴 ∈ No → (𝑦 ∈ ( R ‘𝐴) → 𝑥 <s 𝑦))) |
| 18 | 8, 17 | sylbi 217 | . . 3 ⊢ (𝑥 ∈ {𝐴} → (𝐴 ∈ No → (𝑦 ∈ ( R ‘𝐴) → 𝑥 <s 𝑦))) |
| 19 | 18 | 3imp21 1113 | . 2 ⊢ ((𝐴 ∈ No ∧ 𝑥 ∈ {𝐴} ∧ 𝑦 ∈ ( R ‘𝐴)) → 𝑥 <s 𝑦) |
| 20 | 2, 3, 4, 7, 19 | ssltd 27710 | 1 ⊢ (𝐴 ∈ No → {𝐴} <<s ( R ‘𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 {crab 3411 Vcvv 3455 𝒫 cpw 4571 {csn 4597 class class class wbr 5115 ‘cfv 6519 No csur 27558 <s cslt 27559 bday cbday 27560 <<s csslt 27699 O cold 27758 R cright 27761 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5242 ax-sep 5259 ax-nul 5269 ax-pow 5328 ax-pr 5395 ax-un 7718 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2880 df-ne 2928 df-ral 3047 df-rex 3056 df-rmo 3357 df-reu 3358 df-rab 3412 df-v 3457 df-sbc 3762 df-csb 3871 df-dif 3925 df-un 3927 df-in 3929 df-ss 3939 df-pss 3942 df-nul 4305 df-if 4497 df-pw 4573 df-sn 4598 df-pr 4600 df-tp 4602 df-op 4604 df-uni 4880 df-int 4919 df-iun 4965 df-br 5116 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5541 df-eprel 5546 df-po 5554 df-so 5555 df-fr 5599 df-we 5601 df-xp 5652 df-rel 5653 df-cnv 5654 df-co 5655 df-dm 5656 df-rn 5657 df-res 5658 df-ima 5659 df-pred 6282 df-ord 6343 df-on 6344 df-suc 6346 df-iota 6472 df-fun 6521 df-fn 6522 df-f 6523 df-f1 6524 df-fo 6525 df-f1o 6526 df-fv 6527 df-riota 7351 df-ov 7397 df-oprab 7398 df-mpo 7399 df-2nd 7978 df-frecs 8269 df-wrecs 8300 df-recs 8349 df-1o 8443 df-2o 8444 df-no 27561 df-slt 27562 df-bday 27563 df-sslt 27700 df-scut 27702 df-made 27762 df-old 27763 df-right 27766 |
| This theorem is referenced by: lltropt 27791 madebdaylemlrcut 27817 mulsproplem5 28030 mulsproplem6 28031 mulsproplem7 28032 mulsproplem8 28033 mulsuniflem 28059 |
| Copyright terms: Public domain | W3C validator |