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| Mirrors > Home > MPE Home > Th. List > prmo3 | Structured version Visualization version GIF version | ||
| Description: The primorial of 3. (Contributed by AV, 28-Aug-2020.) |
| Ref | Expression |
|---|---|
| prmo3 | ⊢ (#p‘3) = 6 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3nn 12316 | . . 3 ⊢ 3 ∈ ℕ | |
| 2 | prmonn2 17095 | . . 3 ⊢ (3 ∈ ℕ → (#p‘3) = if(3 ∈ ℙ, ((#p‘(3 − 1)) · 3), (#p‘(3 − 1)))) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ (#p‘3) = if(3 ∈ ℙ, ((#p‘(3 − 1)) · 3), (#p‘(3 − 1))) |
| 4 | 3prm 16748 | . . . 4 ⊢ 3 ∈ ℙ | |
| 5 | 4 | iftruei 4496 | . . 3 ⊢ if(3 ∈ ℙ, ((#p‘(3 − 1)) · 3), (#p‘(3 − 1))) = ((#p‘(3 − 1)) · 3) |
| 6 | 3m1e2 12364 | . . . . . . 7 ⊢ (3 − 1) = 2 | |
| 7 | 6 | fveq2i 6882 | . . . . . 6 ⊢ (#p‘(3 − 1)) = (#p‘2) |
| 8 | prmo2 17096 | . . . . . 6 ⊢ (#p‘2) = 2 | |
| 9 | 7, 8 | eqtri 2792 | . . . . 5 ⊢ (#p‘(3 − 1)) = 2 |
| 10 | 9 | oveq1i 7418 | . . . 4 ⊢ ((#p‘(3 − 1)) · 3) = (2 · 3) |
| 11 | 3cn 12318 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 12 | 2cn 12312 | . . . . 5 ⊢ 2 ∈ ℂ | |
| 13 | 3t2e6 12402 | . . . . 5 ⊢ (3 · 2) = 6 | |
| 14 | 11, 12, 13 | mulcomli 11214 | . . . 4 ⊢ (2 · 3) = 6 |
| 15 | 10, 14 | eqtri 2792 | . . 3 ⊢ ((#p‘(3 − 1)) · 3) = 6 |
| 16 | 5, 15 | eqtri 2792 | . 2 ⊢ if(3 ∈ ℙ, ((#p‘(3 − 1)) · 3), (#p‘(3 − 1))) = 6 |
| 17 | 3, 16 | eqtri 2792 | 1 ⊢ (#p‘3) = 6 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 ifcif 4489 ‘cfv 6533 (class class class)co 7408 1c1 11097 · cmul 11101 − cmin 11437 ℕcn 12229 2c2 12291 3c3 12292 6c6 12295 ℙcprime 16725 #pcprmo 17087 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5239 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-inf2 9606 ax-cnex 11152 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 ax-pre-mulgt0 11173 ax-pre-sup 11174 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-int 4914 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-se 5613 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-2o 8450 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9398 df-oi 9468 df-card 9921 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 df-sub 11439 df-neg 11440 df-div 11868 df-nn 12230 df-2 12299 df-3 12300 df-4 12301 df-5 12302 df-6 12303 df-n0 12501 df-z 12588 df-uz 12859 df-rp 13013 df-fz 13532 df-fzo 13679 df-seq 14034 df-exp 14094 df-hash 14363 df-cj 15146 df-re 15147 df-im 15148 df-sqrt 15282 df-abs 15283 df-clim 15535 df-prod 15954 df-dvds 16307 df-prm 16726 df-prmo 17088 |
| This theorem is referenced by: prmo4 17184 |
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