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| Mirrors > Home > MPE Home > Th. List > leftssold | Structured version Visualization version GIF version | ||
| Description: The left options are a subset of the old set. (Contributed by Scott Fenton, 9-Oct-2024.) |
| Ref | Expression |
|---|---|
| leftssold | ⊢ ( L ‘𝑋) ⊆ ( O ‘( bday ‘𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | leftval 27824 | . 2 ⊢ ( L ‘𝑋) = {𝑥 ∈ ( O ‘( bday ‘𝑋)) ∣ 𝑥 <s 𝑋} | |
| 2 | ssrab2 4029 | . 2 ⊢ {𝑥 ∈ ( O ‘( bday ‘𝑋)) ∣ 𝑥 <s 𝑋} ⊆ ( O ‘( bday ‘𝑋)) | |
| 3 | 1, 2 | eqsstri 3977 | 1 ⊢ ( L ‘𝑋) ⊆ ( O ‘( bday ‘𝑋)) |
| Colors of variables: wff setvar class |
| Syntax hints: {crab 3396 ⊆ wss 3898 class class class wbr 5095 ‘cfv 6489 <s cslt 27599 bday cbday 27600 O cold 27804 L cleft 27806 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-rep 5221 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7677 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-ral 3049 df-rex 3058 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4283 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4861 df-iun 4945 df-br 5096 df-opab 5158 df-mpt 5177 df-tr 5203 df-id 5516 df-eprel 5521 df-po 5529 df-so 5530 df-fr 5574 df-we 5576 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-pred 6256 df-ord 6317 df-on 6318 df-suc 6320 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-ov 7358 df-2nd 7931 df-frecs 8220 df-wrecs 8251 df-recs 8300 df-1o 8394 df-no 27601 df-bday 27603 df-made 27808 df-old 27809 df-left 27811 |
| This theorem is referenced by: leftssno 27846 leftirr 27856 left0s 27858 madebday 27865 cofcutr 27888 addsproplem2 27933 negsproplem2 27991 mulsproplem5 28079 mulsproplem6 28080 mulsproplem7 28081 mulsproplem8 28082 mulsproplem9 28083 sltonold 28218 onnolt 28223 |
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