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| Mirrors > Home > MPE Home > Th. List > Mathboxes > flt4lem1 | Structured version Visualization version GIF version | ||
| Description: Satisfy the antecedent used in several pythagtrip 16852 lemmas, with 𝐴, 𝐶 coprime rather than 𝐴, 𝐵. (Contributed by SN, 21-Aug-2024.) |
| Ref | Expression |
|---|---|
| flt4lem1.a | ⊢ (𝜑 → 𝐴 ∈ ℕ) |
| flt4lem1.b | ⊢ (𝜑 → 𝐵 ∈ ℕ) |
| flt4lem1.c | ⊢ (𝜑 → 𝐶 ∈ ℕ) |
| flt4lem1.1 | ⊢ (𝜑 → ¬ 2 ∥ 𝐴) |
| flt4lem1.2 | ⊢ (𝜑 → (𝐴 gcd 𝐶) = 1) |
| flt4lem1.3 | ⊢ (𝜑 → ((𝐴↑2) + (𝐵↑2)) = (𝐶↑2)) |
| Ref | Expression |
|---|---|
| flt4lem1 | ⊢ (𝜑 → ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝐶 ∈ ℕ) ∧ ((𝐴↑2) + (𝐵↑2)) = (𝐶↑2) ∧ ((𝐴 gcd 𝐵) = 1 ∧ ¬ 2 ∥ 𝐴))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | flt4lem1.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℕ) | |
| 2 | flt4lem1.b | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℕ) | |
| 3 | flt4lem1.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℕ) | |
| 4 | 1, 2, 3 | 3jca 1128 | . 2 ⊢ (𝜑 → (𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝐶 ∈ ℕ)) |
| 5 | flt4lem1.3 | . 2 ⊢ (𝜑 → ((𝐴↑2) + (𝐵↑2)) = (𝐶↑2)) | |
| 6 | flt4lem1.2 | . . . 4 ⊢ (𝜑 → (𝐴 gcd 𝐶) = 1) | |
| 7 | 1, 2, 3, 6, 5 | fltabcoprm 42612 | . . 3 ⊢ (𝜑 → (𝐴 gcd 𝐵) = 1) |
| 8 | flt4lem1.1 | . . 3 ⊢ (𝜑 → ¬ 2 ∥ 𝐴) | |
| 9 | 7, 8 | jca 511 | . 2 ⊢ (𝜑 → ((𝐴 gcd 𝐵) = 1 ∧ ¬ 2 ∥ 𝐴)) |
| 10 | 4, 5, 9 | 3jca 1128 | 1 ⊢ (𝜑 → ((𝐴 ∈ ℕ ∧ 𝐵 ∈ ℕ ∧ 𝐶 ∈ ℕ) ∧ ((𝐴↑2) + (𝐵↑2)) = (𝐶↑2) ∧ ((𝐴 gcd 𝐵) = 1 ∧ ¬ 2 ∥ 𝐴))) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2108 class class class wbr 5119 (class class class)co 7403 1c1 11128 + caddc 11130 ℕcn 12238 2c2 12293 ↑cexp 14077 ∥ cdvds 16270 gcd cgcd 16511 |
| 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-sep 5266 ax-nul 5276 ax-pow 5335 ax-pr 5402 ax-un 7727 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 |
| 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-op 4608 df-uni 4884 df-iun 4969 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-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-riota 7360 df-ov 7406 df-oprab 7407 df-mpo 7408 df-om 7860 df-2nd 7987 df-frecs 8278 df-wrecs 8309 df-recs 8383 df-rdg 8422 df-er 8717 df-en 8958 df-dom 8959 df-sdom 8960 df-sup 9452 df-inf 9453 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-n0 12500 df-z 12587 df-uz 12851 df-rp 13007 df-fl 13807 df-mod 13885 df-seq 14018 df-exp 14078 df-cj 15116 df-re 15117 df-im 15118 df-sqrt 15252 df-abs 15253 df-dvds 16271 df-gcd 16512 |
| This theorem is referenced by: flt4lem3 42618 flt4lem5a 42622 flt4lem5b 42623 flt4lem5c 42624 flt4lem5d 42625 flt4lem5e 42626 |
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