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| Mirrors > Home > MPE Home > Th. List > 0elright | Structured version Visualization version GIF version | ||
| Description: Zero is in the right set of any negative number. (Contributed by Scott Fenton, 13-Mar-2025.) |
| Ref | Expression |
|---|---|
| 0elright.1 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| 0elright.2 | ⊢ (𝜑 → 𝐴 <s 0s ) |
| Ref | Expression |
|---|---|
| 0elright | ⊢ (𝜑 → 0s ∈ ( R ‘𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0elright.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 2 | 0elright.2 | . . . . 5 ⊢ (𝜑 → 𝐴 <s 0s ) | |
| 3 | ltsne 27759 | . . . . 5 ⊢ ((𝐴 ∈ No ∧ 𝐴 <s 0s ) → 0s ≠ 𝐴) | |
| 4 | 1, 2, 3 | syl2anc 585 | . . . 4 ⊢ (𝜑 → 0s ≠ 𝐴) |
| 5 | 4 | necomd 2988 | . . 3 ⊢ (𝜑 → 𝐴 ≠ 0s ) |
| 6 | 1, 5 | 0elold 27923 | . 2 ⊢ (𝜑 → 0s ∈ ( O ‘( bday ‘𝐴))) |
| 7 | elright 27865 | . 2 ⊢ ( 0s ∈ ( R ‘𝐴) ↔ ( 0s ∈ ( O ‘( bday ‘𝐴)) ∧ 𝐴 <s 0s )) | |
| 8 | 6, 2, 7 | sylanbrc 584 | 1 ⊢ (𝜑 → 0s ∈ ( R ‘𝐴)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2114 ≠ wne 2933 class class class wbr 5100 ‘cfv 6502 No csur 27624 <s clts 27625 bday cbday 27626 0s c0s 27818 O cold 27836 R cright 27839 |
| 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 5226 ax-sep 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5529 df-eprel 5534 df-po 5542 df-so 5543 df-fr 5587 df-we 5589 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-pred 6269 df-ord 6330 df-on 6331 df-suc 6333 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-riota 7327 df-ov 7373 df-oprab 7374 df-mpo 7375 df-2nd 7946 df-frecs 8235 df-wrecs 8266 df-recs 8315 df-1o 8409 df-2o 8410 df-no 27627 df-lts 27628 df-bday 27629 df-slts 27771 df-cuts 27773 df-0s 27820 df-made 27840 df-old 27841 df-left 27843 df-right 27844 |
| This theorem is referenced by: (None) |
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