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Mirrors > Home > MPE Home > Th. List > Mathboxes > fltdiv | Structured version Visualization version GIF version |
Description: A counterexample to FLT stays valid when scaled. The hypotheses are more general than they need to be for convenience. (Contributed by SN, 20-Aug-2024.) |
Ref | Expression |
---|---|
fltdiv.s | ⊢ (𝜑 → 𝑆 ∈ ℂ) |
fltdiv.0 | ⊢ (𝜑 → 𝑆 ≠ 0) |
fltdiv.a | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
fltdiv.b | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
fltdiv.c | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
fltdiv.n | ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
fltdiv.1 | ⊢ (𝜑 → ((𝐴↑𝑁) + (𝐵↑𝑁)) = (𝐶↑𝑁)) |
Ref | Expression |
---|---|
fltdiv | ⊢ (𝜑 → (((𝐴 / 𝑆)↑𝑁) + ((𝐵 / 𝑆)↑𝑁)) = ((𝐶 / 𝑆)↑𝑁)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fltdiv.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | fltdiv.n | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ ℕ0) | |
3 | 1, 2 | expcld 14114 | . . . 4 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℂ) |
4 | fltdiv.b | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
5 | 4, 2 | expcld 14114 | . . . 4 ⊢ (𝜑 → (𝐵↑𝑁) ∈ ℂ) |
6 | fltdiv.s | . . . . 5 ⊢ (𝜑 → 𝑆 ∈ ℂ) | |
7 | 6, 2 | expcld 14114 | . . . 4 ⊢ (𝜑 → (𝑆↑𝑁) ∈ ℂ) |
8 | fltdiv.0 | . . . . 5 ⊢ (𝜑 → 𝑆 ≠ 0) | |
9 | 2 | nn0zd 12585 | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ ℤ) |
10 | 6, 8, 9 | expne0d 14120 | . . . 4 ⊢ (𝜑 → (𝑆↑𝑁) ≠ 0) |
11 | 3, 5, 7, 10 | divdird 12029 | . . 3 ⊢ (𝜑 → (((𝐴↑𝑁) + (𝐵↑𝑁)) / (𝑆↑𝑁)) = (((𝐴↑𝑁) / (𝑆↑𝑁)) + ((𝐵↑𝑁) / (𝑆↑𝑁)))) |
12 | fltdiv.1 | . . . 4 ⊢ (𝜑 → ((𝐴↑𝑁) + (𝐵↑𝑁)) = (𝐶↑𝑁)) | |
13 | 12 | oveq1d 7419 | . . 3 ⊢ (𝜑 → (((𝐴↑𝑁) + (𝐵↑𝑁)) / (𝑆↑𝑁)) = ((𝐶↑𝑁) / (𝑆↑𝑁))) |
14 | 11, 13 | eqtr3d 2768 | . 2 ⊢ (𝜑 → (((𝐴↑𝑁) / (𝑆↑𝑁)) + ((𝐵↑𝑁) / (𝑆↑𝑁))) = ((𝐶↑𝑁) / (𝑆↑𝑁))) |
15 | 1, 6, 8, 2 | expdivd 14128 | . . 3 ⊢ (𝜑 → ((𝐴 / 𝑆)↑𝑁) = ((𝐴↑𝑁) / (𝑆↑𝑁))) |
16 | 4, 6, 8, 2 | expdivd 14128 | . . 3 ⊢ (𝜑 → ((𝐵 / 𝑆)↑𝑁) = ((𝐵↑𝑁) / (𝑆↑𝑁))) |
17 | 15, 16 | oveq12d 7422 | . 2 ⊢ (𝜑 → (((𝐴 / 𝑆)↑𝑁) + ((𝐵 / 𝑆)↑𝑁)) = (((𝐴↑𝑁) / (𝑆↑𝑁)) + ((𝐵↑𝑁) / (𝑆↑𝑁)))) |
18 | fltdiv.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
19 | 18, 6, 8, 2 | expdivd 14128 | . 2 ⊢ (𝜑 → ((𝐶 / 𝑆)↑𝑁) = ((𝐶↑𝑁) / (𝑆↑𝑁))) |
20 | 14, 17, 19 | 3eqtr4d 2776 | 1 ⊢ (𝜑 → (((𝐴 / 𝑆)↑𝑁) + ((𝐵 / 𝑆)↑𝑁)) = ((𝐶 / 𝑆)↑𝑁)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ∈ wcel 2098 ≠ wne 2934 (class class class)co 7404 ℂcc 11107 0cc0 11109 + caddc 11112 / cdiv 11872 ℕ0cn0 12473 ↑cexp 14030 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7721 ax-cnex 11165 ax-resscn 11166 ax-1cn 11167 ax-icn 11168 ax-addcl 11169 ax-addrcl 11170 ax-mulcl 11171 ax-mulrcl 11172 ax-mulcom 11173 ax-addass 11174 ax-mulass 11175 ax-distr 11176 ax-i2m1 11177 ax-1ne0 11178 ax-1rid 11179 ax-rnegex 11180 ax-rrecex 11181 ax-cnre 11182 ax-pre-lttri 11183 ax-pre-lttrn 11184 ax-pre-ltadd 11185 ax-pre-mulgt0 11186 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4903 df-iun 4992 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6293 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6488 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7360 df-ov 7407 df-oprab 7408 df-mpo 7409 df-om 7852 df-2nd 7972 df-frecs 8264 df-wrecs 8295 df-recs 8369 df-rdg 8408 df-er 8702 df-en 8939 df-dom 8940 df-sdom 8941 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11447 df-neg 11448 df-div 11873 df-nn 12214 df-n0 12474 df-z 12560 df-uz 12824 df-seq 13970 df-exp 14031 |
This theorem is referenced by: fltabcoprmex 41940 |
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