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| Mirrors > Home > MPE Home > Th. List > leftno | Structured version Visualization version GIF version | ||
| Description: An element of a left set is a surreal. (Contributed by Scott Fenton, 27-Feb-2026.) |
| Ref | Expression |
|---|---|
| leftno | ⊢ (𝐴 ∈ ( L ‘𝐵) → 𝐴 ∈ No ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | leftssno 28103 | . 2 ⊢ ( L ‘𝐵) ⊆ No | |
| 2 | 1 | sseli 3936 | 1 ⊢ (𝐴 ∈ ( L ‘𝐵) → 𝐴 ∈ No ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 ‘cfv 6543 No csur 27841 L cleft 28055 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4878 df-int 4918 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-mpo 7428 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-1o 8462 df-2o 8463 df-no 27844 df-lts 27845 df-bday 27846 df-slts 27988 df-cuts 27990 df-made 28057 df-old 28058 df-left 28060 |
| This theorem is used by: leftnod 28110 addsproplem2 28200 leadds1 28219 addsuniflem 28231 negleft 28288 negright 28289 mulsrid 28343 onaddscl 28507 onmulscl 28508 bdayfinbndlem1 28697 elreno2 28725 |
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