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Mirrors > Home > ILE Home > Th. List > recvguniqlem | GIF version |
Description: Lemma for recvguniq 11139. 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 5694 | . . . 4 ⊢ (𝜑 → (𝐹‘𝐾) ∈ ℝ) |
5 | recvguniqlem.b | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
6 | 1, 5 | resubcld 8400 | . . . . 5 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℝ) |
7 | 6 | rehalfcld 9229 | . . . 4 ⊢ (𝜑 → ((𝐴 − 𝐵) / 2) ∈ ℝ) |
8 | 4, 7 | readdcld 8049 | . . 3 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) ∈ ℝ) |
9 | recvguniqlem.lt1 | . . 3 ⊢ (𝜑 → 𝐴 < ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2))) | |
10 | 5, 7 | readdcld 8049 | . . . . 5 ⊢ (𝜑 → (𝐵 + ((𝐴 − 𝐵) / 2)) ∈ ℝ) |
11 | recvguniqlem.lt2 | . . . . 5 ⊢ (𝜑 → (𝐹‘𝐾) < (𝐵 + ((𝐴 − 𝐵) / 2))) | |
12 | 4, 10, 7, 11 | ltadd1dd 8575 | . . . 4 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) < ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2))) |
13 | 5 | recnd 8048 | . . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℂ) |
14 | 7 | recnd 8048 | . . . . . 6 ⊢ (𝜑 → ((𝐴 − 𝐵) / 2) ∈ ℂ) |
15 | 13, 14, 14 | addassd 8042 | . . . . 5 ⊢ (𝜑 → ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2)) = (𝐵 + (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2)))) |
16 | 6 | recnd 8048 | . . . . . . 7 ⊢ (𝜑 → (𝐴 − 𝐵) ∈ ℂ) |
17 | 16 | 2halvesd 9228 | . . . . . 6 ⊢ (𝜑 → (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2)) = (𝐴 − 𝐵)) |
18 | 17 | oveq2d 5934 | . . . . 5 ⊢ (𝜑 → (𝐵 + (((𝐴 − 𝐵) / 2) + ((𝐴 − 𝐵) / 2))) = (𝐵 + (𝐴 − 𝐵))) |
19 | 1 | recnd 8048 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
20 | 13, 19 | pncan3d 8333 | . . . . 5 ⊢ (𝜑 → (𝐵 + (𝐴 − 𝐵)) = 𝐴) |
21 | 15, 18, 20 | 3eqtrd 2230 | . . . 4 ⊢ (𝜑 → ((𝐵 + ((𝐴 − 𝐵) / 2)) + ((𝐴 − 𝐵) / 2)) = 𝐴) |
22 | 12, 21 | breqtrd 4055 | . . 3 ⊢ (𝜑 → ((𝐹‘𝐾) + ((𝐴 − 𝐵) / 2)) < 𝐴) |
23 | 1, 8, 1, 9, 22 | lttrd 8145 | . 2 ⊢ (𝜑 → 𝐴 < 𝐴) |
24 | 1 | ltnrd 8131 | . 2 ⊢ (𝜑 → ¬ 𝐴 < 𝐴) |
25 | 23, 24 | pm2.21fal 1384 | 1 ⊢ (𝜑 → ⊥) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ⊥wfal 1369 ∈ wcel 2164 class class class wbr 4029 ⟶wf 5250 ‘cfv 5254 (class class class)co 5918 ℝcr 7871 + caddc 7875 < clt 8054 − cmin 8190 / cdiv 8691 ℕcn 8982 2c2 9033 |
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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 ax-setind 4569 ax-cnex 7963 ax-resscn 7964 ax-1cn 7965 ax-1re 7966 ax-icn 7967 ax-addcl 7968 ax-addrcl 7969 ax-mulcl 7970 ax-mulrcl 7971 ax-addcom 7972 ax-mulcom 7973 ax-addass 7974 ax-mulass 7975 ax-distr 7976 ax-i2m1 7977 ax-0lt1 7978 ax-1rid 7979 ax-0id 7980 ax-rnegex 7981 ax-precex 7982 ax-cnre 7983 ax-pre-ltirr 7984 ax-pre-ltwlin 7985 ax-pre-lttrn 7986 ax-pre-apti 7987 ax-pre-ltadd 7988 ax-pre-mulgt0 7989 ax-pre-mulext 7990 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-reu 2479 df-rmo 2480 df-rab 2481 df-v 2762 df-sbc 2986 df-dif 3155 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-br 4030 df-opab 4091 df-id 4324 df-po 4327 df-iso 4328 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-iota 5215 df-fun 5256 df-fn 5257 df-f 5258 df-fv 5262 df-riota 5873 df-ov 5921 df-oprab 5922 df-mpo 5923 df-pnf 8056 df-mnf 8057 df-xr 8058 df-ltxr 8059 df-le 8060 df-sub 8192 df-neg 8193 df-reap 8594 df-ap 8601 df-div 8692 df-2 9041 |
This theorem is referenced by: recvguniq 11139 |
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