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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 16620 | . . . . 5 ⊢ 2 ∈ ℙ | |
| 2 | fltne.n | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘2)) | |
| 3 | rtprmirr 26710 | . . . . 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 3903 | . . 3 ⊢ (𝜑 → ¬ (2↑𝑐(1 / 𝑁)) ∈ ℚ) |
| 6 | fltne.c | . . . . . . 7 ⊢ (𝜑 → 𝐶 ∈ ℕ) | |
| 7 | 6 | nnzd 12515 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℤ) |
| 8 | fltne.a | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 9 | znq 12866 | . . . . . 6 ⊢ ((𝐶 ∈ ℤ ∧ 𝐴 ∈ ℕ) → (𝐶 / 𝐴) ∈ ℚ) | |
| 10 | 7, 8, 9 | syl2anc 585 | . . . . 5 ⊢ (𝜑 → (𝐶 / 𝐴) ∈ ℚ) |
| 11 | eleq1a 2832 | . . . . 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 2947 | . . 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 12911 | . . . . . 6 ⊢ 2 ∈ ℝ+ | |
| 16 | 15 | a1i 11 | . . . . 5 ⊢ (𝜑 → 2 ∈ ℝ+) |
| 17 | eluz2nn 12802 | . . . . . . 7 ⊢ (𝑁 ∈ (ℤ≥‘2) → 𝑁 ∈ ℕ) | |
| 18 | 2, 17 | syl 17 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| 19 | 18 | nnrecred 12197 | . . . . 5 ⊢ (𝜑 → (1 / 𝑁) ∈ ℝ) |
| 20 | 16, 19 | rpcxpcld 26682 | . . . 4 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ∈ ℝ+) |
| 21 | 20 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (2↑𝑐(1 / 𝑁)) ∈ ℝ+) |
| 22 | 6 | nnrpd 12948 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ+) |
| 23 | 8 | nnrpd 12948 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| 24 | 22, 23 | rpdivcld 12967 | . . . 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 12463 | . . . . . . . 8 ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
| 28 | 8, 27 | nnexpcld 14169 | . . . . . . 7 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℕ) |
| 29 | 28 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ∈ ℕ) |
| 30 | 29 | nncnd 12162 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ∈ ℂ) |
| 31 | 2cnd 12224 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 2 ∈ ℂ) | |
| 32 | 29 | nnne0d 12196 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ≠ 0) |
| 33 | 28 | nncnd 12162 | . . . . . . . 8 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℂ) |
| 34 | 33 | times2d 12386 | . . . . . . 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 7373 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) = (𝐵↑𝑁)) |
| 38 | 37 | oveq2d 7374 | . . . . . 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 2776 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) · 2) = (𝐶↑𝑁)) |
| 42 | 30, 31, 32, 41 | mvllmuld 11974 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 2 = ((𝐶↑𝑁) / (𝐴↑𝑁))) |
| 43 | 2cn 12221 | . . . . . 6 ⊢ 2 ∈ ℂ | |
| 44 | cxproot 26639 | . . . . . 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 12162 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| 48 | 8 | nncnd 12162 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 49 | 8 | nnne0d 12196 | . . . . . 6 ⊢ (𝜑 → 𝐴 ≠ 0) |
| 50 | 47, 48, 49, 27 | expdivd 14084 | . . . . 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 2782 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((2↑𝑐(1 / 𝑁))↑𝑁) = ((𝐶 / 𝐴)↑𝑁)) |
| 53 | 21, 25, 26, 52 | exp11nnd 14185 | . 2 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (2↑𝑐(1 / 𝑁)) = (𝐶 / 𝐴)) |
| 54 | 14, 53 | mteqand 3024 | 1 ⊢ (𝜑 → 𝐴 ≠ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ∖ cdif 3887 ‘cfv 6490 (class class class)co 7358 ℂcc 11025 ℝcr 11026 1c1 11028 + caddc 11030 · cmul 11032 / cdiv 11795 ℕcn 12146 2c2 12201 ℤcz 12489 ℤ≥cuz 12752 ℚcq 12862 ℝ+crp 12906 ↑cexp 13985 ℙcprime 16599 ↑𝑐ccxp 26504 |
| 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 2709 ax-rep 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-inf2 9551 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 ax-pre-sup 11105 ax-addf 11106 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-se 5576 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-isom 6499 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-of 7622 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8102 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-2o 8397 df-er 8634 df-map 8766 df-pm 8767 df-ixp 8837 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-fsupp 9266 df-fi 9315 df-sup 9346 df-inf 9347 df-oi 9416 df-card 9852 df-pnf 11169 df-mnf 11170 df-xr 11171 df-ltxr 11172 df-le 11173 df-sub 11367 df-neg 11368 df-div 11796 df-nn 12147 df-2 12209 df-3 12210 df-4 12211 df-5 12212 df-6 12213 df-7 12214 df-8 12215 df-9 12216 df-n0 12403 df-z 12490 df-dec 12609 df-uz 12753 df-q 12863 df-rp 12907 df-xneg 13027 df-xadd 13028 df-xmul 13029 df-ioo 13266 df-ioc 13267 df-ico 13268 df-icc 13269 df-fz 13425 df-fzo 13572 df-fl 13713 df-mod 13791 df-seq 13926 df-exp 13986 df-fac 14198 df-bc 14227 df-hash 14255 df-shft 14991 df-cj 15023 df-re 15024 df-im 15025 df-sqrt 15159 df-abs 15160 df-limsup 15395 df-clim 15412 df-rlim 15413 df-sum 15611 df-ef 15991 df-sin 15993 df-cos 15994 df-pi 15996 df-dvds 16181 df-gcd 16423 df-prm 16600 df-numer 16663 df-denom 16664 df-struct 17075 df-sets 17092 df-slot 17110 df-ndx 17122 df-base 17138 df-ress 17159 df-plusg 17191 df-mulr 17192 df-starv 17193 df-sca 17194 df-vsca 17195 df-ip 17196 df-tset 17197 df-ple 17198 df-ds 17200 df-unif 17201 df-hom 17202 df-cco 17203 df-rest 17343 df-topn 17344 df-0g 17362 df-gsum 17363 df-topgen 17364 df-pt 17365 df-prds 17368 df-xrs 17424 df-qtop 17429 df-imas 17430 df-xps 17432 df-mre 17506 df-mrc 17507 df-acs 17509 df-mgm 18566 df-sgrp 18645 df-mnd 18661 df-submnd 18710 df-mulg 19002 df-cntz 19250 df-cmn 19715 df-psmet 21303 df-xmet 21304 df-met 21305 df-bl 21306 df-mopn 21307 df-fbas 21308 df-fg 21309 df-cnfld 21312 df-top 22837 df-topon 22854 df-topsp 22876 df-bases 22889 df-cld 22962 df-ntr 22963 df-cls 22964 df-nei 23041 df-lp 23079 df-perf 23080 df-cn 23170 df-cnp 23171 df-haus 23258 df-tx 23505 df-hmeo 23698 df-fil 23789 df-fm 23881 df-flim 23882 df-flf 23883 df-xms 24263 df-ms 24264 df-tms 24265 df-cncf 24823 df-limc 25811 df-dv 25812 df-log 26505 df-cxp 26506 |
| This theorem is referenced by: (None) |
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