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Mirrors > Home > ILE Home > Th. List > ltadd1sr | GIF version |
Description: Adding one to a signed real yields a larger signed real. (Contributed by Jim Kingdon, 7-Jul-2021.) |
Ref | Expression |
---|---|
ltadd1sr | ⊢ (𝐴 ∈ R → 𝐴 <R (𝐴 +R 1R)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0idsr 7699 | . 2 ⊢ (𝐴 ∈ R → (𝐴 +R 0R) = 𝐴) | |
2 | 0lt1sr 7697 | . . 3 ⊢ 0R <R 1R | |
3 | 0r 7682 | . . . 4 ⊢ 0R ∈ R | |
4 | 1sr 7683 | . . . 4 ⊢ 1R ∈ R | |
5 | ltasrg 7702 | . . . 4 ⊢ ((0R ∈ R ∧ 1R ∈ R ∧ 𝐴 ∈ R) → (0R <R 1R ↔ (𝐴 +R 0R) <R (𝐴 +R 1R))) | |
6 | 3, 4, 5 | mp3an12 1316 | . . 3 ⊢ (𝐴 ∈ R → (0R <R 1R ↔ (𝐴 +R 0R) <R (𝐴 +R 1R))) |
7 | 2, 6 | mpbii 147 | . 2 ⊢ (𝐴 ∈ R → (𝐴 +R 0R) <R (𝐴 +R 1R)) |
8 | 1, 7 | eqbrtrrd 4000 | 1 ⊢ (𝐴 ∈ R → 𝐴 <R (𝐴 +R 1R)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 104 ∈ wcel 2135 class class class wbr 3976 (class class class)co 5836 Rcnr 7229 0Rc0r 7230 1Rc1r 7231 +R cplr 7233 <R cltr 7235 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-13 2137 ax-14 2138 ax-ext 2146 ax-coll 4091 ax-sep 4094 ax-nul 4102 ax-pow 4147 ax-pr 4181 ax-un 4405 ax-setind 4508 ax-iinf 4559 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 968 df-3an 969 df-tru 1345 df-fal 1348 df-nf 1448 df-sb 1750 df-eu 2016 df-mo 2017 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ne 2335 df-ral 2447 df-rex 2448 df-reu 2449 df-rab 2451 df-v 2723 df-sbc 2947 df-csb 3041 df-dif 3113 df-un 3115 df-in 3117 df-ss 3124 df-nul 3405 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-int 3819 df-iun 3862 df-br 3977 df-opab 4038 df-mpt 4039 df-tr 4075 df-eprel 4261 df-id 4265 df-po 4268 df-iso 4269 df-iord 4338 df-on 4340 df-suc 4343 df-iom 4562 df-xp 4604 df-rel 4605 df-cnv 4606 df-co 4607 df-dm 4608 df-rn 4609 df-res 4610 df-ima 4611 df-iota 5147 df-fun 5184 df-fn 5185 df-f 5186 df-f1 5187 df-fo 5188 df-f1o 5189 df-fv 5190 df-ov 5839 df-oprab 5840 df-mpo 5841 df-1st 6100 df-2nd 6101 df-recs 6264 df-irdg 6329 df-1o 6375 df-2o 6376 df-oadd 6379 df-omul 6380 df-er 6492 df-ec 6494 df-qs 6498 df-ni 7236 df-pli 7237 df-mi 7238 df-lti 7239 df-plpq 7276 df-mpq 7277 df-enq 7279 df-nqqs 7280 df-plqqs 7281 df-mqqs 7282 df-1nqqs 7283 df-rq 7284 df-ltnqqs 7285 df-enq0 7356 df-nq0 7357 df-0nq0 7358 df-plq0 7359 df-mq0 7360 df-inp 7398 df-i1p 7399 df-iplp 7400 df-iltp 7402 df-enr 7658 df-nr 7659 df-plr 7660 df-ltr 7662 df-0r 7663 df-1r 7664 |
This theorem is referenced by: ltm1sr 7709 caucvgsr 7734 |
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