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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 28377 | . 2 ⊢ ((𝐴 ∈ No ∧ 𝐵 ∈ No ∧ 𝐶 ∈ No) → (𝐴 <s 𝐵 ↔ (𝐶 +s 𝐴) <s (𝐶 +s 𝐵))) | |
| 5 | 1, 2, 3, 4 | syl3anc 1398 | 1 ⊢ (𝜑 → (𝐴 <s 𝐵 ↔ (𝐶 +s 𝐴) <s (𝐶 +s 𝐵))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∈ wcel 2145 class class class wbr 5103 (class class class)co 7420 Nocsur 27997 <s clts 27998 +s cadds 28345 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-ot 4593 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6304 df-ord 6365 df-on 6366 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-1st 8001 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-1o 8476 df-2o 8477 df-nadd 8675 df-no 28000 df-lts 28001 df-bday 28002 df-les 28102 df-slts 28144 df-cuts 28146 df-0s 28193 df-made 28213 df-old 28214 df-left 28216 df-right 28217 df-norec2 28335 df-adds 28346 |
| This theorem is used by: addsuniflem 28387 ltaddspos1d 28397 lt2addsd 28399 ltsp1d 28401 negsid 28427 ltsubs2 28463 mulsproplem5 28506 mulsproplem6 28507 mulsproplem7 28508 mulsproplem8 28509 addonbday 28665 avglts1d 28839 halfcut 28844 addhalfcut 28845 pw2cut2 28848 bdayfinbndlem1 28853 recut 28880 |
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