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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 16709 | . . . . 5 ⊢ 2 ∈ ℙ | |
| 2 | fltne.n | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘2)) | |
| 3 | rtprmirr 26720 | . . . . 5 ⊢ ((2 ∈ ℙ ∧ 𝑁 ∈ (ℤ≥‘2)) → (2↑𝑐(1 / 𝑁)) ∈ (ℝ ∖ ℚ)) | |
| 4 | 1, 2, 3 | sylancr 587 | . . . 4 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ∈ (ℝ ∖ ℚ)) |
| 5 | 4 | eldifbd 3939 | . . 3 ⊢ (𝜑 → ¬ (2↑𝑐(1 / 𝑁)) ∈ ℚ) |
| 6 | fltne.c | . . . . . . 7 ⊢ (𝜑 → 𝐶 ∈ ℕ) | |
| 7 | 6 | nnzd 12613 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℤ) |
| 8 | fltne.a | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 9 | znq 12966 | . . . . . 6 ⊢ ((𝐶 ∈ ℤ ∧ 𝐴 ∈ ℕ) → (𝐶 / 𝐴) ∈ ℚ) | |
| 10 | 7, 8, 9 | syl2anc 584 | . . . . 5 ⊢ (𝜑 → (𝐶 / 𝐴) ∈ ℚ) |
| 11 | eleq1a 2829 | . . . . 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 13011 | . . . . . 6 ⊢ 2 ∈ ℝ+ | |
| 16 | 15 | a1i 11 | . . . . 5 ⊢ (𝜑 → 2 ∈ ℝ+) |
| 17 | eluz2nn 12896 | . . . . . . 7 ⊢ (𝑁 ∈ (ℤ≥‘2) → 𝑁 ∈ ℕ) | |
| 18 | 2, 17 | syl 17 | . . . . . 6 ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| 19 | 18 | nnrecred 12289 | . . . . 5 ⊢ (𝜑 → (1 / 𝑁) ∈ ℝ) |
| 20 | 16, 19 | rpcxpcld 26692 | . . . 4 ⊢ (𝜑 → (2↑𝑐(1 / 𝑁)) ∈ ℝ+) |
| 21 | 20 | adantr 480 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (2↑𝑐(1 / 𝑁)) ∈ ℝ+) |
| 22 | 6 | nnrpd 13047 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ+) |
| 23 | 8 | nnrpd 13047 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℝ+) |
| 24 | 22, 23 | rpdivcld 13066 | . . . 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 12560 | . . . . . . . 8 ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
| 28 | 8, 27 | nnexpcld 14261 | . . . . . . 7 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℕ) |
| 29 | 28 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ∈ ℕ) |
| 30 | 29 | nncnd 12254 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ∈ ℂ) |
| 31 | 2cnd 12316 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 2 ∈ ℂ) | |
| 32 | 29 | nnne0d 12288 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) ≠ 0) |
| 33 | 28 | nncnd 12254 | . . . . . . . 8 ⊢ (𝜑 → (𝐴↑𝑁) ∈ ℂ) |
| 34 | 33 | times2d 12483 | . . . . . . 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 7418 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → (𝐴↑𝑁) = (𝐵↑𝑁)) |
| 38 | 37 | oveq2d 7419 | . . . . . 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 2774 | . . . . 5 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((𝐴↑𝑁) · 2) = (𝐶↑𝑁)) |
| 42 | 30, 31, 32, 41 | mvllmuld 12071 | . . . 4 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → 2 = ((𝐶↑𝑁) / (𝐴↑𝑁))) |
| 43 | 2cn 12313 | . . . . . 6 ⊢ 2 ∈ ℂ | |
| 44 | cxproot 26649 | . . . . . 6 ⊢ ((2 ∈ ℂ ∧ 𝑁 ∈ ℕ) → ((2↑𝑐(1 / 𝑁))↑𝑁) = 2) | |
| 45 | 43, 18, 44 | sylancr 587 | . . . . 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 12254 | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| 48 | 8 | nncnd 12254 | . . . . . 6 ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| 49 | 8 | nnne0d 12288 | . . . . . 6 ⊢ (𝜑 → 𝐴 ≠ 0) |
| 50 | 47, 48, 49, 27 | expdivd 14176 | . . . . 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 2780 | . . 3 ⊢ ((𝜑 ∧ 𝐴 = 𝐵) → ((2↑𝑐(1 / 𝑁))↑𝑁) = ((𝐶 / 𝐴)↑𝑁)) |
| 53 | 21, 25, 26, 52 | exp11nnd 14277 | . 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 1540 ∈ wcel 2108 ≠ wne 2932 ∖ cdif 3923 ‘cfv 6530 (class class class)co 7403 ℂcc 11125 ℝcr 11126 1c1 11128 + caddc 11130 · cmul 11132 / cdiv 11892 ℕcn 12238 2c2 12293 ℤcz 12586 ℤ≥cuz 12850 ℚcq 12962 ℝ+crp 13006 ↑cexp 14077 ℙcprime 16688 ↑𝑐ccxp 26514 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-rep 5249 ax-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7727 ax-inf2 9653 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 ax-pre-sup 11205 ax-addf 11206 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3359 df-reu 3360 df-rab 3416 df-v 3461 df-sbc 3766 df-csb 3875 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-pss 3946 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-tp 4606 df-op 4608 df-uni 4884 df-int 4923 df-iun 4969 df-iin 4970 df-br 5120 df-opab 5182 df-mpt 5202 df-tr 5230 df-id 5548 df-eprel 5553 df-po 5561 df-so 5562 df-fr 5606 df-se 5607 df-we 5608 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-pred 6290 df-ord 6355 df-on 6356 df-lim 6357 df-suc 6358 df-iota 6483 df-fun 6532 df-fn 6533 df-f 6534 df-f1 6535 df-fo 6536 df-f1o 6537 df-fv 6538 df-isom 6539 df-riota 7360 df-ov 7406 df-oprab 7407 df-mpo 7408 df-of 7669 df-om 7860 df-1st 7986 df-2nd 7987 df-supp 8158 df-frecs 8278 df-wrecs 8309 df-recs 8383 df-rdg 8422 df-1o 8478 df-2o 8479 df-er 8717 df-map 8840 df-pm 8841 df-ixp 8910 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-fsupp 9372 df-fi 9421 df-sup 9452 df-inf 9453 df-oi 9522 df-card 9951 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11466 df-neg 11467 df-div 11893 df-nn 12239 df-2 12301 df-3 12302 df-4 12303 df-5 12304 df-6 12305 df-7 12306 df-8 12307 df-9 12308 df-n0 12500 df-z 12587 df-dec 12707 df-uz 12851 df-q 12963 df-rp 13007 df-xneg 13126 df-xadd 13127 df-xmul 13128 df-ioo 13364 df-ioc 13365 df-ico 13366 df-icc 13367 df-fz 13523 df-fzo 13670 df-fl 13807 df-mod 13885 df-seq 14018 df-exp 14078 df-fac 14290 df-bc 14319 df-hash 14347 df-shft 15084 df-cj 15116 df-re 15117 df-im 15118 df-sqrt 15252 df-abs 15253 df-limsup 15485 df-clim 15502 df-rlim 15503 df-sum 15701 df-ef 16081 df-sin 16083 df-cos 16084 df-pi 16086 df-dvds 16271 df-gcd 16512 df-prm 16689 df-numer 16752 df-denom 16753 df-struct 17164 df-sets 17181 df-slot 17199 df-ndx 17211 df-base 17227 df-ress 17250 df-plusg 17282 df-mulr 17283 df-starv 17284 df-sca 17285 df-vsca 17286 df-ip 17287 df-tset 17288 df-ple 17289 df-ds 17291 df-unif 17292 df-hom 17293 df-cco 17294 df-rest 17434 df-topn 17435 df-0g 17453 df-gsum 17454 df-topgen 17455 df-pt 17456 df-prds 17459 df-xrs 17514 df-qtop 17519 df-imas 17520 df-xps 17522 df-mre 17596 df-mrc 17597 df-acs 17599 df-mgm 18616 df-sgrp 18695 df-mnd 18711 df-submnd 18760 df-mulg 19049 df-cntz 19298 df-cmn 19761 df-psmet 21305 df-xmet 21306 df-met 21307 df-bl 21308 df-mopn 21309 df-fbas 21310 df-fg 21311 df-cnfld 21314 df-top 22830 df-topon 22847 df-topsp 22869 df-bases 22882 df-cld 22955 df-ntr 22956 df-cls 22957 df-nei 23034 df-lp 23072 df-perf 23073 df-cn 23163 df-cnp 23164 df-haus 23251 df-tx 23498 df-hmeo 23691 df-fil 23782 df-fm 23874 df-flim 23875 df-flf 23876 df-xms 24257 df-ms 24258 df-tms 24259 df-cncf 24820 df-limc 25817 df-dv 25818 df-log 26515 df-cxp 26516 |
| This theorem is referenced by: (None) |
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