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| Mirrors > Home > ILE Home > Th. List > recvguniqlem | GIF version | ||
| Description: Lemma for recvguniq 11618. 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 5791 | . . . 4 ⊢ (𝜑 → (𝐹‘𝐾) ∈ ℝ) |
| 5 | recvguniqlem.b | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
| 6 | 1, 5 | resubcld 8602 | . . . . 5 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℝ) |
| 7 | 6 | rehalfcld 9433 | . . . 4 ⊢ (𝜑 → ((𝐴 − 𝐵) / 2) ∈ ℝ) |
| 8 | 4, 7 | readdcld 8251 | . . 3 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) ∈ ℝ) |
| 9 | recvguniqlem.lt1 | . . 3 ⊢ (𝜑 → 𝐴 < ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2))) | |
| 10 | 5, 7 | readdcld 8251 | . . . . 5 ⊢ (𝜑 → (𝐵 + ((𝐴 − 𝐵) / 2)) ∈ ℝ) |
| 11 | recvguniqlem.lt2 | . . . . 5 ⊢ (𝜑 → (𝐹‘𝐾) < (𝐵 + ((𝐴 − 𝐵) / 2))) | |
| 12 | 4, 10, 7, 11 | ltadd1dd 8778 | . . . 4 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) < ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2))) |
| 13 | 5 | recnd 8250 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| 14 | 7 | recnd 8250 | . . . . . 6 ⊢ (𝜑 → ((𝐴 − 𝐵) / 2) ∈ ℂ) |
| 15 | 13, 14, 14 | addassd 8244 | . . . . 5 ⊢ (𝜑 → ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2)) = (𝐵 + (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2)))) |
| 16 | 6 | recnd 8250 | . . . . . . 7 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℂ) |
| 17 | 16 | 2halvesd 9432 | . . . . . 6 ⊢ (𝜑 → (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2)) = (𝐴 − 𝐵)) |
| 18 | 17 | oveq2d 6044 | . . . . 5 ⊢ (𝜑 → (𝐵 + (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2))) = (𝐵 + (𝐴 − 𝐵))) |
| 19 | 1 | recnd 8250 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 20 | 13, 19 | pncan3d 8535 | . . . . 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 4119 | . . 3 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) < 𝐴) |
| 23 | 1, 8, 1, 9, 22 | lttrd 8347 | . 2 ⊢ (𝜑 → 𝐴 < 𝐴) |
| 24 | 1 | ltnrd 8333 | . 2 ⊢ (𝜑 → ¬ 𝐴 < 𝐴) |
| 25 | 23, 24 | pm2.21fal 1418 | 1 ⊢ (𝜑 → ⊥) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ⊥wfal 1403 ∈ wcel 2202 class class class wbr 4093 ⟶wf 5329 ‘cfv 5333 (class class class)co 6028 ℝcr 8074 + caddc 8078 < clt 8256 − cmin 8392 / cdiv 8894 ℕcn 9185 2c2 9236 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-mulrcl 8174 ax-addcom 8175 ax-mulcom 8176 ax-addass 8177 ax-mulass 8178 ax-distr 8179 ax-i2m1 8180 ax-0lt1 8181 ax-1rid 8182 ax-0id 8183 ax-rnegex 8184 ax-precex 8185 ax-cnre 8186 ax-pre-ltirr 8187 ax-pre-ltwlin 8188 ax-pre-lttrn 8189 ax-pre-apti 8190 ax-pre-ltadd 8191 ax-pre-mulgt0 8192 ax-pre-mulext 8193 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-reu 2518 df-rmo 2519 df-rab 2520 df-v 2805 df-sbc 3033 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-id 4396 df-po 4399 df-iso 4400 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-fv 5341 df-riota 5981 df-ov 6031 df-oprab 6032 df-mpo 6033 df-pnf 8258 df-mnf 8259 df-xr 8260 df-ltxr 8261 df-le 8262 df-sub 8394 df-neg 8395 df-reap 8797 df-ap 8804 df-div 8895 df-2 9244 |
| This theorem is referenced by: recvguniq 11618 |
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