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| Mirrors > Home > MPE Home > Th. List > fz0to5un2tp | Structured version Visualization version GIF version | ||
| Description: An integer range from 0 to 5 is the union of two triples. (Contributed by AV, 30-Jul-2025.) |
| Ref | Expression |
|---|---|
| fz0to5un2tp | ⊢ (0...5) = ({0, 1, 2} ∪ {3, 4, 5}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2p1e3 12453 | . . . 4 ⊢ (2 + 1) = 3 | |
| 2 | 0z 12673 | . . . . 5 ⊢ 0 ∈ ℤ | |
| 3 | 3z 12698 | . . . . 5 ⊢ 3 ∈ ℤ | |
| 4 | 0re 11281 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 5 | 3re 12392 | . . . . . 6 ⊢ 3 ∈ ℝ | |
| 6 | 3pos 12420 | . . . . . 6 ⊢ 0 < 3 | |
| 7 | 4, 5, 6 | ltleii 11404 | . . . . 5 ⊢ 0 ≤ 3 |
| 8 | eluz2 12940 | . . . . 5 ⊢ (3 ∈ (ℤ≥‘0) ↔ (0 ∈ ℤ ∧ 3 ∈ ℤ ∧ 0 ≤ 3)) | |
| 9 | 2, 3, 7, 8 | mpbir3an 1360 | . . . 4 ⊢ 3 ∈ (ℤ≥‘0) |
| 10 | 1, 9 | eqeltri 2856 | . . 3 ⊢ (2 + 1) ∈ (ℤ≥‘0) |
| 11 | 2z 12697 | . . . 4 ⊢ 2 ∈ ℤ | |
| 12 | 5nn0 12595 | . . . . 5 ⊢ 5 ∈ ℕ0 | |
| 13 | 12 | nn0zi 12690 | . . . 4 ⊢ 5 ∈ ℤ |
| 14 | 2re 12386 | . . . . 5 ⊢ 2 ∈ ℝ | |
| 15 | 5re 12399 | . . . . 5 ⊢ 5 ∈ ℝ | |
| 16 | 2lt5 12493 | . . . . 5 ⊢ 2 < 5 | |
| 17 | 14, 15, 16 | ltleii 11404 | . . . 4 ⊢ 2 ≤ 5 |
| 18 | eluz2 12940 | . . . 4 ⊢ (5 ∈ (ℤ≥‘2) ↔ (2 ∈ ℤ ∧ 5 ∈ ℤ ∧ 2 ≤ 5)) | |
| 19 | 11, 13, 17, 18 | mpbir3an 1360 | . . 3 ⊢ 5 ∈ (ℤ≥‘2) |
| 20 | fzsplit2 13651 | . . 3 ⊢ (((2 + 1) ∈ (ℤ≥‘0) ∧ 5 ∈ (ℤ≥‘2)) → (0...5) = ((0...2) ∪ ((2 + 1)...5))) | |
| 21 | 10, 19, 20 | mp2an 705 | . 2 ⊢ (0...5) = ((0...2) ∪ ((2 + 1)...5)) |
| 22 | fz0tp 13730 | . . 3 ⊢ (0...2) = {0, 1, 2} | |
| 23 | 1 | oveq1i 7418 | . . . 4 ⊢ ((2 + 1)...5) = (3...5) |
| 24 | 3p2e5 12462 | . . . . . . 7 ⊢ (3 + 2) = 5 | |
| 25 | 24 | eqcomi 2769 | . . . . . 6 ⊢ 5 = (3 + 2) |
| 26 | 25 | oveq2i 7419 | . . . . 5 ⊢ (3...5) = (3...(3 + 2)) |
| 27 | fztp 13682 | . . . . . 6 ⊢ (3 ∈ ℤ → (3...(3 + 2)) = {3, (3 + 1), (3 + 2)}) | |
| 28 | 3, 27 | ax-mp 5 | . . . . 5 ⊢ (3...(3 + 2)) = {3, (3 + 1), (3 + 2)} |
| 29 | eqid 2760 | . . . . . 6 ⊢ 3 = 3 | |
| 30 | id 23 | . . . . . . 7 ⊢ (3 = 3 → 3 = 3) | |
| 31 | 3p1e4 12456 | . . . . . . . 8 ⊢ (3 + 1) = 4 | |
| 32 | 31 | a1i 11 | . . . . . . 7 ⊢ (3 = 3 → (3 + 1) = 4) |
| 33 | 24 | a1i 11 | . . . . . . 7 ⊢ (3 = 3 → (3 + 2) = 5) |
| 34 | 30, 32, 33 | tpeq123d 4708 | . . . . . 6 ⊢ (3 = 3 → {3, (3 + 1), (3 + 2)} = {3, 4, 5}) |
| 35 | 29, 34 | ax-mp 5 | . . . . 5 ⊢ {3, (3 + 1), (3 + 2)} = {3, 4, 5} |
| 36 | 26, 28, 35 | 3eqtri 2787 | . . . 4 ⊢ (3...5) = {3, 4, 5} |
| 37 | 23, 36 | eqtri 2783 | . . 3 ⊢ ((2 + 1)...5) = {3, 4, 5} |
| 38 | 22, 37 | uneq12i 4112 | . 2 ⊢ ((0...2) ∪ ((2 + 1)...5)) = ({0, 1, 2} ∪ {3, 4, 5}) |
| 39 | 21, 38 | eqtri 2783 | 1 ⊢ (0...5) = ({0, 1, 2} ∪ {3, 4, 5}) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 ∪ cun 3896 {ctp 4587 class class class wbr 5102 ‘cfv 6527 (class class class)co 7408 0cc0 11171 1c1 11172 + caddc 11174 ≤ cle 11315 2c2 12366 3c3 12367 4c4 12368 5c5 12369 ℤcz 12662 ℤ≥cuz 12934 ...cfz 13608 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7861 df-1st 7984 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-er 8695 df-en 8952 df-dom 8953 df-sdom 8954 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-nn 12305 df-2 12374 df-3 12375 df-4 12376 df-5 12377 df-n0 12576 df-z 12663 df-uz 12935 df-fz 13609 |
| This theorem is used by: usgrexmpl1vtx 49043 usgrexmpl2vtx 49048 |
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