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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fltne | Structured version Visualization version GIF version | ||
| Description: If a counterexample to FLT exists, its addends are not equal. (Contributed by SN, 1-Jun-2023.) |
| Ref | Expression |
|---|---|
| fltne.a | ⊢ (𝜑 → 𝐴 ∈ ℕ) |
| fltne.b | ⊢ (𝜑 → 𝐵 ∈ ℕ) |
| fltne.c | ⊢ (𝜑 → 𝐶 ∈ ℕ) |
| fltne.n | ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘2)) |
| fltne.1 | ⊢ (𝜑 → ((𝐴↑𝑁) + (𝐵↑𝑁)) = (𝐶↑𝑁)) |
| Ref | Expression |
|---|---|
| fltne | ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2prm 16661 | . . . . 5 ⊢ 2 ∈ ℙ | |
| 2 | fltne.n | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘2)) | |
| 3 | rtprmirr 26724 | . . . . 5 ⊢ ((2 ∈ ℙ ∧ 𝑁 ∈ (ℤ≥‘2)) → (2↑𝑐(1 / 𝑁)) ∈ (ℝ ∖ ℚ)) | |
| 4 | 1, 2, 3 | sylancr 588 | . . . 4 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ∈ (ℝ ∖ ℚ)) |
| 5 | 4 | eldifbd 3902 | . . 3 ⊢ (𝜑 → ¬ (2↑𝑐(1 / 𝑁)) ∈ ℚ) |
| 6 | fltne.c | . . . . . . 7 ⊢ (𝜑 → 𝐶 ∈ ℕ) | |
| 7 | 6 | nnzd 12550 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℤ) |
| 8 | fltne.a | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 9 | znq 12902 | . . . . . 6 ⊢ ((𝐶 ∈ ℤ ∧ 𝐴 ∈ ℕ) → (𝐶 / 𝐴) ∈ ℚ) | |
| 10 | 7, 8, 9 | syl2anc 585 | . . . . 5 ⊢ (𝜑 → (𝐶 / 𝐴) ∈ ℚ) |
| 11 | eleq1a 2831 | . . . . 5 ⊢ ((𝐶 / 𝐴) ∈ ℚ → ((2↑𝑐(1 / 𝑁)) = (𝐶 / 𝐴) → (2↑𝑐(1 / 𝑁)) ∈ ℚ)) | |
| 12 | 10, 11 | syl 17 | . . . 4 ⊢ (𝜑 → ((2↑𝑐(1 / 𝑁)) = (𝐶 / 𝐴) → (2↑𝑐(1 / 𝑁)) ∈ ℚ)) |
| 13 | 12 | necon3bd 2946 | . . 3 ⊢ (𝜑 → (¬ (2↑𝑐(1 / 𝑁)) ∈ ℚ → (2↑𝑐(1 / 𝑁)) ≠ (𝐶 / 𝐴))) |
| 14 | 5, 13 | mpd 15 | . 2 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ≠ (𝐶 / 𝐴)) |
| 15 | 2rp 12947 | . . . . . 6 ⊢ 2 ∈ ℝ+ | |
| 16 | 15 | a1i 11 | . . . . 5 ⊢ (𝜑 → 2 ∈ ℝ+) |
| 17 | eluz2nn 12838 | . . . . . . 7 ⊢ (𝑁 ∈ (ℤ≥‘2) → 𝑁 ∈ ℕ) | |
| 18 | 2, 17 | syl 17 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| 19 | 18 | nnrecred 12228 | . . . . 5 ⊢ (𝜑 → (1 / 𝑁) ∈ ℝ) |
| 20 | 16, 19 | rpcxpcld 26697 | . . . 4 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ∈ ℝ+) |
| 21 | 20 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (2↑𝑐(1 / 𝑁)) ∈ ℝ+) |
| 22 | 6 | nnrpd 12984 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ+) |
| 23 | 8 | nnrpd 12984 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| 24 | 22, 23 | rpdivcld 13003 | . . . 4 ⊢ (𝜑 → (𝐶 / 𝐴) ∈ ℝ+) |
| 25 | 24 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐶 / 𝐴) ∈ ℝ+) |
| 26 | 18 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝑁 ∈ ℕ) |
| 27 | 18 | nnnn0d 12498 | . . . . . . . 8 ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
| 28 | 8, 27 | nnexpcld 14207 | . . . . . . 7 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℕ) |
| 29 | 28 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ∈ ℕ) |
| 30 | 29 | nncnd 12190 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ∈ ℂ) |
| 31 | 2cnd 12259 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 2 ∈ ℂ) | |
| 32 | 29 | nnne0d 12227 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ≠ 0) |
| 33 | 28 | nncnd 12190 | . . . . . . . 8 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℂ) |
| 34 | 33 | times2d 12421 | . . . . . . 7 ⊢ (𝜑 → ((𝐴↑𝑁) · 2) = ((𝐴↑𝑁) + (𝐴↑𝑁))) |
| 35 | 34 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) · 2) = ((𝐴↑𝑁) + (𝐴↑𝑁))) |
| 36 | simpr 484 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 = 𝐵) | |
| 37 | 36 | oveq1d 7382 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) = (𝐵↑𝑁)) |
| 38 | 37 | oveq2d 7383 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) + (𝐴↑𝑁)) = ((𝐴↑𝑁) + (𝐵↑𝑁))) |
| 39 | fltne.1 | . . . . . . 7 ⊢ (𝜑 → ((𝐴↑𝑁) + (𝐵↑𝑁)) = (𝐶↑𝑁)) | |
| 40 | 39 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) + (𝐵↑𝑁)) = (𝐶↑𝑁)) |
| 41 | 35, 38, 40 | 3eqtrd 2775 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) · 2) = (𝐶↑𝑁)) |
| 42 | 30, 31, 32, 41 | mvllmuld 11987 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 2 = ((𝐶↑𝑁) / (𝐴↑𝑁))) |
| 43 | 2cn 12256 | . . . . . 6 ⊢ 2 ∈ ℂ | |
| 44 | cxproot 26654 | . . . . . 6 ⊢ ((2 ∈ ℂ ∧ 𝑁 ∈ ℕ) → ((2↑𝑐(1 / 𝑁))↑𝑁) = 2) | |
| 45 | 43, 18, 44 | sylancr 588 | . . . . 5 ⊢ (𝜑 → ((2↑𝑐(1 / 𝑁))↑𝑁) = 2) |
| 46 | 45 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((2↑𝑐(1 / 𝑁))↑𝑁) = 2) |
| 47 | 6 | nncnd 12190 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| 48 | 8 | nncnd 12190 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 49 | 8 | nnne0d 12227 | . . . . . 6 ⊢ (𝜑 → 𝐴 ≠ 0) |
| 50 | 47, 48, 49, 27 | expdivd 14122 | . . . . 5 ⊢ (𝜑 → ((𝐶 / 𝐴)↑𝑁) = ((𝐶↑𝑁) / (𝐴↑𝑁))) |
| 51 | 50 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐶 / 𝐴)↑𝑁) = ((𝐶↑𝑁) / (𝐴↑𝑁))) |
| 52 | 42, 46, 51 | 3eqtr4d 2781 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((2↑𝑐(1 / 𝑁))↑𝑁) = ((𝐶 / 𝐴)↑𝑁)) |
| 53 | 21, 25, 26, 52 | exp11nnd 14223 | . 2 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (2↑𝑐(1 / 𝑁)) = (𝐶 / 𝐴)) |
| 54 | 14, 53 | mteqand 3023 | 1 ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ≠ wne 2932 ∖ cdif 3886 ‘cfv 6498 (class class class)co 7367 ℂcc 11036 ℝcr 11037 1c1 11039 + caddc 11041 · cmul 11043 / cdiv 11807 ℕcn 12174 2c2 12236 ℤcz 12524 ℤ≥cuz 12788 ℚcq 12898 ℝ+crp 12942 ↑cexp 14023 ℙcprime 16640 ↑𝑐ccxp 26519 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-inf2 9562 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116 ax-addf 11117 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-pss 3909 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4851 df-int 4890 df-iun 4935 df-iin 4936 df-br 5086 df-opab 5148 df-mpt 5167 df-tr 5193 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-se 5585 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6265 df-ord 6326 df-on 6327 df-lim 6328 df-suc 6329 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-isom 6507 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-of 7631 df-om 7818 df-1st 7942 df-2nd 7943 df-supp 8111 df-frecs 8231 df-wrecs 8262 df-recs 8311 df-rdg 8349 df-1o 8405 df-2o 8406 df-er 8643 df-map 8775 df-pm 8776 df-ixp 8846 df-en 8894 df-dom 8895 df-sdom 8896 df-fin 8897 df-fsupp 9275 df-fi 9324 df-sup 9355 df-inf 9356 df-oi 9425 df-card 9863 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-div 11808 df-nn 12175 df-2 12244 df-3 12245 df-4 12246 df-5 12247 df-6 12248 df-7 12249 df-8 12250 df-9 12251 df-n0 12438 df-z 12525 df-dec 12645 df-uz 12789 df-q 12899 df-rp 12943 df-xneg 13063 df-xadd 13064 df-xmul 13065 df-ioo 13302 df-ioc 13303 df-ico 13304 df-icc 13305 df-fz 13462 df-fzo 13609 df-fl 13751 df-mod 13829 df-seq 13964 df-exp 14024 df-fac 14236 df-bc 14265 df-hash 14293 df-shft 15029 df-cj 15061 df-re 15062 df-im 15063 df-sqrt 15197 df-abs 15198 df-limsup 15433 df-clim 15450 df-rlim 15451 df-sum 15649 df-ef 16032 df-sin 16034 df-cos 16035 df-pi 16037 df-dvds 16222 df-gcd 16464 df-prm 16641 df-numer 16705 df-denom 16706 df-struct 17117 df-sets 17134 df-slot 17152 df-ndx 17164 df-base 17180 df-ress 17201 df-plusg 17233 df-mulr 17234 df-starv 17235 df-sca 17236 df-vsca 17237 df-ip 17238 df-tset 17239 df-ple 17240 df-ds 17242 df-unif 17243 df-hom 17244 df-cco 17245 df-rest 17385 df-topn 17386 df-0g 17404 df-gsum 17405 df-topgen 17406 df-pt 17407 df-prds 17410 df-xrs 17466 df-qtop 17471 df-imas 17472 df-xps 17474 df-mre 17548 df-mrc 17549 df-acs 17551 df-mgm 18608 df-sgrp 18687 df-mnd 18703 df-submnd 18752 df-mulg 19044 df-cntz 19292 df-cmn 19757 df-psmet 21344 df-xmet 21345 df-met 21346 df-bl 21347 df-mopn 21348 df-fbas 21349 df-fg 21350 df-cnfld 21353 df-top 22859 df-topon 22876 df-topsp 22898 df-bases 22911 df-cld 22984 df-ntr 22985 df-cls 22986 df-nei 23063 df-lp 23101 df-perf 23102 df-cn 23192 df-cnp 23193 df-haus 23280 df-tx 23527 df-hmeo 23720 df-fil 23811 df-fm 23903 df-flim 23904 df-flf 23905 df-xms 24285 df-ms 24286 df-tms 24287 df-cncf 24845 df-limc 25833 df-dv 25834 df-log 26520 df-cxp 26521 |
| This theorem is referenced by: (None) |
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