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| Mirrors > Home > ILE Home > Th. List > recvguniqlem | GIF version | ||
| Description: Lemma for recvguniq 11555. 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 5783 | . . . 4 ⊢ (𝜑 → (𝐹‘𝐾) ∈ ℝ) |
| 5 | recvguniqlem.b | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
| 6 | 1, 5 | resubcld 8559 | . . . . 5 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℝ) |
| 7 | 6 | rehalfcld 9390 | . . . 4 ⊢ (𝜑 → ((𝐴 − 𝐵) / 2) ∈ ℝ) |
| 8 | 4, 7 | readdcld 8208 | . . 3 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) ∈ ℝ) |
| 9 | recvguniqlem.lt1 | . . 3 ⊢ (𝜑 → 𝐴 < ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2))) | |
| 10 | 5, 7 | readdcld 8208 | . . . . 5 ⊢ (𝜑 → (𝐵 + ((𝐴 − 𝐵) / 2)) ∈ ℝ) |
| 11 | recvguniqlem.lt2 | . . . . 5 ⊢ (𝜑 → (𝐹‘𝐾) < (𝐵 + ((𝐴 − 𝐵) / 2))) | |
| 12 | 4, 10, 7, 11 | ltadd1dd 8735 | . . . 4 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) < ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2))) |
| 13 | 5 | recnd 8207 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| 14 | 7 | recnd 8207 | . . . . . 6 ⊢ (𝜑 → ((𝐴 − 𝐵) / 2) ∈ ℂ) |
| 15 | 13, 14, 14 | addassd 8201 | . . . . 5 ⊢ (𝜑 → ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2)) = (𝐵 + (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2)))) |
| 16 | 6 | recnd 8207 | . . . . . . 7 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℂ) |
| 17 | 16 | 2halvesd 9389 | . . . . . 6 ⊢ (𝜑 → (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2)) = (𝐴 − 𝐵)) |
| 18 | 17 | oveq2d 6033 | . . . . 5 ⊢ (𝜑 → (𝐵 + (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2))) = (𝐵 + (𝐴 − 𝐵))) |
| 19 | 1 | recnd 8207 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 20 | 13, 19 | pncan3d 8492 | . . . . 5 ⊢ (𝜑 → (𝐵 + (𝐴 − 𝐵)) = 𝐴) |
| 21 | 15, 18, 20 | 3eqtrd 2268 | . . . 4 ⊢ (𝜑 → ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2)) = 𝐴) |
| 22 | 12, 21 | breqtrd 4114 | . . 3 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) < 𝐴) |
| 23 | 1, 8, 1, 9, 22 | lttrd 8304 | . 2 ⊢ (𝜑 → 𝐴 < 𝐴) |
| 24 | 1 | ltnrd 8290 | . 2 ⊢ (𝜑 → ¬ 𝐴 < 𝐴) |
| 25 | 23, 24 | pm2.21fal 1417 | 1 ⊢ (𝜑 → ⊥) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ⊥wfal 1402 ∈ wcel 2202 class class class wbr 4088 ⟶wf 5322 ‘cfv 5326 (class class class)co 6017 ℝcr 8030 + caddc 8034 < clt 8213 − cmin 8349 / cdiv 8851 ℕcn 9142 2c2 9193 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 ax-1cn 8124 ax-1re 8125 ax-icn 8126 ax-addcl 8127 ax-addrcl 8128 ax-mulcl 8129 ax-mulrcl 8130 ax-addcom 8131 ax-mulcom 8132 ax-addass 8133 ax-mulass 8134 ax-distr 8135 ax-i2m1 8136 ax-0lt1 8137 ax-1rid 8138 ax-0id 8139 ax-rnegex 8140 ax-precex 8141 ax-cnre 8142 ax-pre-ltirr 8143 ax-pre-ltwlin 8144 ax-pre-lttrn 8145 ax-pre-apti 8146 ax-pre-ltadd 8147 ax-pre-mulgt0 8148 ax-pre-mulext 8149 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-nel 2498 df-ral 2515 df-rex 2516 df-reu 2517 df-rmo 2518 df-rab 2519 df-v 2804 df-sbc 3032 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-id 4390 df-po 4393 df-iso 4394 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-fv 5334 df-riota 5970 df-ov 6020 df-oprab 6021 df-mpo 6022 df-pnf 8215 df-mnf 8216 df-xr 8217 df-ltxr 8218 df-le 8219 df-sub 8351 df-neg 8352 df-reap 8754 df-ap 8761 df-div 8852 df-2 9201 |
| This theorem is referenced by: recvguniq 11555 |
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