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| Mirrors > Home > MPE Home > Th. List > fzo1to4tp | Structured version Visualization version GIF version | ||
| Description: A half-open integer range from 1 to 4 is an unordered triple. (Contributed by AV, 28-Jul-2021.) |
| Ref | Expression |
|---|---|
| fzo1to4tp | ⊢ (1..^4) = {1, 2, 3} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4z 12627 | . . 3 ⊢ 4 ∈ ℤ | |
| 2 | fzoval 13687 | . . 3 ⊢ (4 ∈ ℤ → (1..^4) = (1...(4 − 1))) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ (1..^4) = (1...(4 − 1)) |
| 4 | 4m1e3 12368 | . . . 4 ⊢ (4 − 1) = 3 | |
| 5 | df-3 12303 | . . . 4 ⊢ 3 = (2 + 1) | |
| 6 | 2cn 12315 | . . . . 5 ⊢ 2 ∈ ℂ | |
| 7 | ax-1cn 11157 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 8 | 6, 7 | addcomi 11400 | . . . 4 ⊢ (2 + 1) = (1 + 2) |
| 9 | 4, 5, 8 | 3eqtri 2796 | . . 3 ⊢ (4 − 1) = (1 + 2) |
| 10 | 9 | oveq2i 7422 | . 2 ⊢ (1...(4 − 1)) = (1...(1 + 2)) |
| 11 | 1z 12623 | . . 3 ⊢ 1 ∈ ℤ | |
| 12 | fztp 13607 | . . . 4 ⊢ (1 ∈ ℤ → (1...(1 + 2)) = {1, (1 + 1), (1 + 2)}) | |
| 13 | eqidd 2770 | . . . . 5 ⊢ (1 ∈ ℤ → 1 = 1) | |
| 14 | 1p1e2 12363 | . . . . . 6 ⊢ (1 + 1) = 2 | |
| 15 | 14 | a1i 11 | . . . . 5 ⊢ (1 ∈ ℤ → (1 + 1) = 2) |
| 16 | 1p2e3 12382 | . . . . . 6 ⊢ (1 + 2) = 3 | |
| 17 | 16 | a1i 11 | . . . . 5 ⊢ (1 ∈ ℤ → (1 + 2) = 3) |
| 18 | 13, 15, 17 | tpeq123d 4719 | . . . 4 ⊢ (1 ∈ ℤ → {1, (1 + 1), (1 + 2)} = {1, 2, 3}) |
| 19 | 12, 18 | eqtrd 2804 | . . 3 ⊢ (1 ∈ ℤ → (1...(1 + 2)) = {1, 2, 3}) |
| 20 | 11, 19 | ax-mp 5 | . 2 ⊢ (1...(1 + 2)) = {1, 2, 3} |
| 21 | 3, 10, 20 | 3eqtri 2796 | 1 ⊢ (1..^4) = {1, 2, 3} |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 {ctp 4598 (class class class)co 7411 1c1 11100 + caddc 11102 − cmin 11440 2c2 12294 3c3 12295 4c4 12296 ℤcz 12590 ...cfz 13534 ..^cfzo 13681 |
| 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-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| 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-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 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7862 df-1st 7985 df-2nd 7986 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-nn 12233 df-2 12302 df-3 12303 df-4 12304 df-n0 12504 df-z 12591 df-uz 12862 df-fz 13535 df-fzo 13682 |
| This theorem is referenced by: fmtno4prmfac 48212 fmtnofz04prm 48217 gpgprismgr4cycllem7 48754 |
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