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| Mirrors > Home > ILE Home > Th. List > recvguniqlem | GIF version | ||
| Description: Lemma for recvguniq 11761. Some of the rearrangements of the expressions. (Contributed by Jim Kingdon, 8-Aug-2021.) |
| Ref | Expression |
|---|---|
| recvguniqlem.f | ⊢ (𝜑 → 𝐹:ℕ⟶ℝ) |
| recvguniqlem.a | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
| recvguniqlem.b | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
| recvguniqlem.k | ⊢ (𝜑 → 𝐾 ∈ ℕ) |
| recvguniqlem.lt1 | ⊢ (𝜑 → 𝐴 < ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2))) |
| recvguniqlem.lt2 | ⊢ (𝜑 → (𝐹‘𝐾) < (𝐵 + ((𝐴 − 𝐵) / 2))) |
| Ref | Expression |
|---|---|
| recvguniqlem | ⊢ (𝜑 → ⊥) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | recvguniqlem.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
| 2 | recvguniqlem.f | . . . . 5 ⊢ (𝜑 → 𝐹:ℕ⟶ℝ) | |
| 3 | recvguniqlem.k | . . . . 5 ⊢ (𝜑 → 𝐾 ∈ ℕ) | |
| 4 | 2, 3 | ffvelcdmd 5844 | . . . 4 ⊢ (𝜑 → (𝐹‘𝐾) ∈ ℝ) |
| 5 | recvguniqlem.b | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
| 6 | 1, 5 | resubcld 8708 | . . . . 5 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℝ) |
| 7 | 6 | rehalfcld 9552 | . . . 4 ⊢ (𝜑 → ((𝐴 − 𝐵) / 2) ∈ ℝ) |
| 8 | 4, 7 | readdcld 8355 | . . 3 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) ∈ ℝ) |
| 9 | recvguniqlem.lt1 | . . 3 ⊢ (𝜑 → 𝐴 < ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2))) | |
| 10 | 5, 7 | readdcld 8355 | . . . . 5 ⊢ (𝜑 → (𝐵 + ((𝐴 − 𝐵) / 2)) ∈ ℝ) |
| 11 | recvguniqlem.lt2 | . . . . 5 ⊢ (𝜑 → (𝐹‘𝐾) < (𝐵 + ((𝐴 − 𝐵) / 2))) | |
| 12 | 4, 10, 7, 11 | ltadd1dd 8884 | . . . 4 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) < ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2))) |
| 13 | 5 | recnd 8354 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| 14 | 7 | recnd 8354 | . . . . . 6 ⊢ (𝜑 → ((𝐴 − 𝐵) / 2) ∈ ℂ) |
| 15 | 13, 14, 14 | addassd 8348 | . . . . 5 ⊢ (𝜑 → ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2)) = (𝐵 + (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2)))) |
| 16 | 6 | recnd 8354 | . . . . . . 7 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℂ) |
| 17 | 16 | 2halvesd 9551 | . . . . . 6 ⊢ (𝜑 → (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2)) = (𝐴 − 𝐵)) |
| 18 | 17 | oveq2d 6101 | . . . . 5 ⊢ (𝜑 → (𝐵 + (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2))) = (𝐵 + (𝐴 − 𝐵))) |
| 19 | 1 | recnd 8354 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 20 | 13, 19 | pncan3d 8640 | . . . . 5 ⊢ (𝜑 → (𝐵 + (𝐴 − 𝐵)) = 𝐴) |
| 21 | 15, 18, 20 | 3eqtrd 2275 | . . . 4 ⊢ (𝜑 → ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2)) = 𝐴) |
| 22 | 12, 21 | breqtrd 4156 | . . 3 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) < 𝐴) |
| 23 | 1, 8, 1, 9, 22 | lttrd 8452 | . 2 ⊢ (𝜑 → 𝐴 < 𝐴) |
| 24 | 1 | ltnrd 8437 | . 2 ⊢ (𝜑 → ¬ 𝐴 < 𝐴) |
| 25 | 23, 24 | pm2.21fal 1422 | 1 ⊢ (𝜑 → ⊥) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ⊥wfal 1407 ∈ wcel 2209 class class class wbr 4130 ⟶wf 5373 ‘cfv 5377 (class class class)co 6085 ℝcr 8178 + caddc 8182 < clt 8360 − cmin 8497 / cdiv 9002 ℕcn 9304 2c2 9355 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1cn 8272 ax-1re 8273 ax-icn 8274 ax-addcl 8275 ax-addrcl 8276 ax-mulcl 8277 ax-mulrcl 8278 ax-addcom 8279 ax-mulcom 8280 ax-addass 8281 ax-mulass 8282 ax-distr 8283 ax-i2m1 8284 ax-0lt1 8285 ax-1rid 8286 ax-0id 8287 ax-rnegex 8288 ax-precex 8289 ax-cnre 8290 ax-pre-ltirr 8291 ax-pre-ltwlin 8292 ax-pre-lttrn 8293 ax-pre-apti 8294 ax-pre-ltadd 8295 ax-pre-mulgt0 8296 ax-pre-mulext 8297 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-id 4438 df-po 4441 df-iso 4442 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-pnf 8362 df-mnf 8363 df-xr 8364 df-ltxr 8365 df-le 8366 df-sub 8499 df-neg 8500 df-reap 8903 df-ap 8910 df-div 9003 df-2 9363 |
| This theorem is used by: recvguniq 11761 |
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