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| Mirrors > Home > MPE Home > Th. List > ltadds2d | Structured version Visualization version GIF version | ||
| Description: Addition to both sides of surreal less-than. (Contributed by Scott Fenton, 21-Jan-2025.) |
| Ref | Expression |
|---|---|
| addscand.1 | ⊢ (𝜑 → 𝐴 ∈ No ) |
| addscand.2 | ⊢ (𝜑 → 𝐵 ∈ No ) |
| addscand.3 | ⊢ (𝜑 → 𝐶 ∈ No ) |
| Ref | Expression |
|---|---|
| ltadds2d | ⊢ (𝜑 → (𝐴 <s 𝐵 ↔ (𝐶 +s 𝐴) <s (𝐶 +s 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addscand.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ No ) | |
| 2 | addscand.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ No ) | |
| 3 | addscand.3 | . 2 ⊢ (𝜑 → 𝐶 ∈ No ) | |
| 4 | ltadds2 27983 | . 2 ⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐶 ∈ No ) → (𝐴 <s 𝐵 ↔ (𝐶 +s 𝐴) <s (𝐶 +s 𝐵))) | |
| 5 | 1, 2, 3, 4 | syl3anc 1374 | 1 ⊢ (𝜑 → (𝐴 <s 𝐵 ↔ (𝐶 +s 𝐴) <s (𝐶 +s 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∈ wcel 2114 class class class wbr 5085 (class class class)co 7367 No csur 27603 <s clts 27604 +s cadds 27951 |
| 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 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-ot 4576 df-uni 4851 df-int 4890 df-iun 4935 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-se 5585 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 6265 df-ord 6326 df-on 6327 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-1st 7942 df-2nd 7943 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-1o 8405 df-2o 8406 df-nadd 8602 df-no 27606 df-lts 27607 df-bday 27608 df-les 27709 df-slts 27750 df-cuts 27752 df-0s 27799 df-made 27819 df-old 27820 df-left 27822 df-right 27823 df-norec2 27941 df-adds 27952 |
| This theorem is referenced by: addsuniflem 27993 ltaddspos1d 28003 lt2addsd 28005 ltsp1d 28007 negsid 28033 ltsubs2 28069 mulsproplem5 28112 mulsproplem6 28113 mulsproplem7 28114 mulsproplem8 28115 addonbday 28271 avglts1d 28445 halfcut 28450 addhalfcut 28451 pw2cut2 28454 bdayfinbndlem1 28459 recut 28486 |
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