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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 16751 | . . . . 5 ⊢ 2 ∈ ℙ | |
| 2 | fltne.n | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘2)) | |
| 3 | rtprmirr 26906 | . . . . 5 ⊢ ((2 ∈ ℙ ∧ 𝑁 ∈ (ℤ≥‘2)) → (2↑𝑐(1 / 𝑁)) ∈ (ℝ ∖ ℚ)) | |
| 4 | 1, 2, 3 | sylancr 598 | . . . 4 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ∈ (ℝ ∖ ℚ)) |
| 5 | 4 | eldifbd 3919 | . . 3 ⊢ (𝜑 → ¬ (2↑𝑐(1 / 𝑁)) ∈ ℚ) |
| 6 | fltne.c | . . . . . . 7 ⊢ (𝜑 → 𝐶 ∈ ℕ) | |
| 7 | 6 | nnzd 12618 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℤ) |
| 8 | fltne.a | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 9 | znq 12977 | . . . . . 6 ⊢ ((𝐶 ∈ ℤ ∧ 𝐴 ∈ ℕ) → (𝐶 / 𝐴) ∈ ℚ) | |
| 10 | 7, 8, 9 | syl2anc 595 | . . . . 5 ⊢ (𝜑 → (𝐶 / 𝐴) ∈ ℚ) |
| 11 | eleq1a 2858 | . . . . 5 ⊢ ((𝐶 / 𝐴) ∈ ℚ → ((2↑𝑐(1 / 𝑁)) = (𝐶 / 𝐴) → (2↑𝑐(1 / 𝑁)) ∈ ℚ)) | |
| 12 | 10, 11 | syl 18 | . . . 4 ⊢ (𝜑 → ((2↑𝑐(1 / 𝑁)) = (𝐶 / 𝐴) → (2↑𝑐(1 / 𝑁)) ∈ ℚ)) |
| 13 | 12 | necon3bd 2972 | . . 3 ⊢ (𝜑 → (¬ (2↑𝑐(1 / 𝑁)) ∈ ℚ → (2↑𝑐(1 / 𝑁)) ≠ (𝐶 / 𝐴))) |
| 14 | 5, 13 | mpd 16 | . 2 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ≠ (𝐶 / 𝐴)) |
| 15 | 2rp 13022 | . . . . . 6 ⊢ 2 ∈ ℝ+ | |
| 16 | 15 | a1i 11 | . . . . 5 ⊢ (𝜑 → 2 ∈ ℝ+) |
| 17 | eluz2nn 12913 | . . . . . . 7 ⊢ (𝑁 ∈ (ℤ≥‘2) → 𝑁 ∈ ℕ) | |
| 18 | 2, 17 | syl 18 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| 19 | 18 | nnrecred 12288 | . . . . 5 ⊢ (𝜑 → (1 / 𝑁) ∈ ℝ) |
| 20 | 16, 19 | rpcxpcld 26879 | . . . 4 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ∈ ℝ+) |
| 21 | 20 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (2↑𝑐(1 / 𝑁)) ∈ ℝ+) |
| 22 | 6 | nnrpd 13059 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ+) |
| 23 | 8 | nnrpd 13059 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| 24 | 22, 23 | rpdivcld 13078 | . . . 4 ⊢ (𝜑 → (𝐶 / 𝐴) ∈ ℝ+) |
| 25 | 24 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐶 / 𝐴) ∈ ℝ+) |
| 26 | 18 | adantr 485 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝑁 ∈ ℕ) |
| 27 | 18 | nnnn0d 12566 | . . . . . . . 8 ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
| 28 | 8, 27 | nnexpcld 14283 | . . . . . . 7 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℕ) |
| 29 | 28 | adantr 485 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ∈ ℕ) |
| 30 | 29 | nncnd 12250 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ∈ ℂ) |
| 31 | 2cnd 12320 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 2 ∈ ℂ) | |
| 32 | 29 | nnne0d 12287 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ≠ 0) |
| 33 | 28 | nncnd 12250 | . . . . . . . 8 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℂ) |
| 34 | 33 | times2d 12489 | . . . . . . 7 ⊢ (𝜑 → ((𝐴↑𝑁) · 2) = ((𝐴↑𝑁) + (𝐴↑𝑁))) |
| 35 | 34 | adantr 485 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) · 2) = ((𝐴↑𝑁) + (𝐴↑𝑁))) |
| 36 | simpr 489 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 𝐴 = 𝐵) | |
| 37 | 36 | oveq1d 7427 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) = (𝐵↑𝑁)) |
| 38 | 37 | oveq2d 7428 | . . . . . 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 485 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) + (𝐵↑𝑁)) = (𝐶↑𝑁)) |
| 41 | 35, 38, 40 | 3eqtrd 2802 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) · 2) = (𝐶↑𝑁)) |
| 42 | 30, 31, 32, 41 | mvllmuld 12048 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 2 = ((𝐶↑𝑁) / (𝐴↑𝑁))) |
| 43 | 2cn 12317 | . . . . . 6 ⊢ 2 ∈ ℂ | |
| 44 | cxproot 26836 | . . . . . 6 ⊢ ((2 ∈ ℂ ∧ 𝑁 ∈ ℕ) → ((2↑𝑐(1 / 𝑁))↑𝑁) = 2) | |
| 45 | 43, 18, 44 | sylancr 598 | . . . . 5 ⊢ (𝜑 → ((2↑𝑐(1 / 𝑁))↑𝑁) = 2) |
| 46 | 45 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((2↑𝑐(1 / 𝑁))↑𝑁) = 2) |
| 47 | 6 | nncnd 12250 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| 48 | 8 | nncnd 12250 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 49 | 8 | nnne0d 12287 | . . . . . 6 ⊢ (𝜑 → 𝐴 ≠ 0) |
| 50 | 47, 48, 49, 27 | expdivd 14198 | . . . . 5 ⊢ (𝜑 → ((𝐶 / 𝐴)↑𝑁) = ((𝐶↑𝑁) / (𝐴↑𝑁))) |
| 51 | 50 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐶 / 𝐴)↑𝑁) = ((𝐶↑𝑁) / (𝐴↑𝑁))) |
| 52 | 42, 46, 51 | 3eqtr4d 2808 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((2↑𝑐(1 / 𝑁))↑𝑁) = ((𝐶 / 𝐴)↑𝑁)) |
| 53 | 21, 25, 26, 52 | exp11nnd 14299 | . 2 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (2↑𝑐(1 / 𝑁)) = (𝐶 / 𝐴)) |
| 54 | 14, 53 | mteqand 3049 | 1 ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 ≠ wne 2958 ∖ cdif 3903 ‘cfv 6538 (class class class)co 7412 ℂcc 11099 ℝcr 11100 1c1 11102 + caddc 11104 · cmul 11106 / cdiv 11872 ℕcn 12234 2c2 12296 ℤcz 12592 ℤ≥cuz 12863 ℚcq 12973 ℝ+crp 13017 ↑cexp 14099 ℙcprime 16730 ↑𝑐ccxp 26701 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5239 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-inf2 9611 ax-cnex 11157 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-addrcl 11162 ax-mulcl 11163 ax-mulrcl 11164 ax-mulcom 11165 ax-addass 11166 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1ne0 11170 ax-1rid 11171 ax-rnegex 11172 ax-rrecex 11173 ax-cnre 11174 ax-pre-lttri 11175 ax-pre-lttrn 11176 ax-pre-ltadd 11177 ax-pre-mulgt0 11178 ax-pre-sup 11179 ax-addf 11180 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-tp 4595 df-op 4597 df-uni 4874 df-int 4914 df-iun 4959 df-iin 4960 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-se 5617 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-isom 6547 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7676 df-om 7864 df-1st 7987 df-2nd 7988 df-supp 8158 df-frecs 8279 df-wrecs 8310 df-recs 8359 df-rdg 8398 df-1o 8454 df-2o 8455 df-er 8695 df-map 8827 df-pm 8828 df-ixp 8897 df-en 8945 df-dom 8946 df-sdom 8947 df-fin 8948 df-fsupp 9323 df-fi 9372 df-sup 9403 df-inf 9404 df-oi 9473 df-card 9926 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11444 df-neg 11445 df-div 11873 df-nn 12235 df-2 12304 df-3 12305 df-4 12306 df-5 12307 df-6 12308 df-7 12309 df-8 12310 df-9 12311 df-n0 12506 df-z 12593 df-dec 12713 df-uz 12864 df-q 12974 df-rp 13018 df-xneg 13138 df-xadd 13139 df-xmul 13140 df-ioo 13377 df-ioc 13378 df-ico 13379 df-icc 13380 df-fz 13537 df-fzo 13685 df-fl 13827 df-mod 13905 df-seq 14040 df-exp 14100 df-fac 14312 df-bc 14341 df-hash 14369 df-shft 15106 df-cj 15152 df-re 15153 df-im 15154 df-sqrt 15288 df-abs 15289 df-limsup 15524 df-clim 15541 df-rlim 15542 df-sum 15740 df-ef 16122 df-sin 16124 df-cos 16125 df-pi 16127 df-dvds 16312 df-gcd 16554 df-prm 16731 df-numer 16795 df-denom 16796 df-struct 17208 df-sets 17225 df-slot 17243 df-ndx 17255 df-base 17271 df-ress 17292 df-plusg 17324 df-mulr 17325 df-starv 17326 df-sca 17327 df-vsca 17328 df-ip 17329 df-tset 17330 df-ple 17331 df-ds 17333 df-unif 17334 df-hom 17335 df-cco 17336 df-rest 17476 df-topn 17477 df-0g 17495 df-gsum 17496 df-topgen 17497 df-pt 17498 df-prds 17501 df-xrs 17557 df-qtop 17562 df-imas 17563 df-xps 17565 df-mre 17639 df-mrc 17640 df-acs 17642 df-mgm 18699 df-sgrp 18778 df-mnd 18794 df-submnd 18843 df-mulg 19135 df-cntz 19388 df-cmn 19853 df-psmet 21495 df-xmet 21496 df-met 21497 df-bl 21498 df-mopn 21499 df-fbas 21500 df-fg 21501 df-cnfld 21504 df-top 23032 df-topon 23049 df-topsp 23071 df-bases 23084 df-cld 23157 df-ntr 23158 df-cls 23159 df-nei 23236 df-lp 23274 df-perf 23275 df-cn 23365 df-cnp 23366 df-haus 23453 df-tx 23700 df-hmeo 23893 df-fil 23984 df-fm 24076 df-flim 24077 df-flf 24078 df-xms 24458 df-ms 24459 df-tms 24460 df-cncf 25018 df-limc 26006 df-dv 26007 df-log 26702 df-cxp 26703 |
| This theorem is referenced by: (None) |
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