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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 12294 | . . . 4 ⊢ (2 + 1) = 3 | |
| 2 | 0z 12511 | . . . . 5 ⊢ 0 ∈ ℤ | |
| 3 | 3z 12536 | . . . . 5 ⊢ 3 ∈ ℤ | |
| 4 | 0re 11146 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 5 | 3re 12237 | . . . . . 6 ⊢ 3 ∈ ℝ | |
| 6 | 3pos 12262 | . . . . . 6 ⊢ 0 < 3 | |
| 7 | 4, 5, 6 | ltleii 11268 | . . . . 5 ⊢ 0 ≤ 3 |
| 8 | eluz2 12769 | . . . . 5 ⊢ (3 ∈ (ℤ≥‘0) ↔ (0 ∈ ℤ ∧ 3 ∈ ℤ ∧ 0 ≤ 3)) | |
| 9 | 2, 3, 7, 8 | mpbir3an 1343 | . . . 4 ⊢ 3 ∈ (ℤ≥‘0) |
| 10 | 1, 9 | eqeltri 2833 | . . 3 ⊢ (2 + 1) ∈ (ℤ≥‘0) |
| 11 | 2z 12535 | . . . 4 ⊢ 2 ∈ ℤ | |
| 12 | 5nn0 12433 | . . . . 5 ⊢ 5 ∈ ℕ0 | |
| 13 | 12 | nn0zi 12528 | . . . 4 ⊢ 5 ∈ ℤ |
| 14 | 2re 12231 | . . . . 5 ⊢ 2 ∈ ℝ | |
| 15 | 5re 12244 | . . . . 5 ⊢ 5 ∈ ℝ | |
| 16 | 2lt5 12331 | . . . . 5 ⊢ 2 < 5 | |
| 17 | 14, 15, 16 | ltleii 11268 | . . . 4 ⊢ 2 ≤ 5 |
| 18 | eluz2 12769 | . . . 4 ⊢ (5 ∈ (ℤ≥‘2) ↔ (2 ∈ ℤ ∧ 5 ∈ ℤ ∧ 2 ≤ 5)) | |
| 19 | 11, 13, 17, 18 | mpbir3an 1343 | . . 3 ⊢ 5 ∈ (ℤ≥‘2) |
| 20 | fzsplit2 13477 | . . 3 ⊢ (((2 + 1) ∈ (ℤ≥‘0) ∧ 5 ∈ (ℤ≥‘2)) → (0...5) = ((0...2) ∪ ((2 + 1)...5))) | |
| 21 | 10, 19, 20 | mp2an 693 | . 2 ⊢ (0...5) = ((0...2) ∪ ((2 + 1)...5)) |
| 22 | fz0tp 13556 | . . 3 ⊢ (0...2) = {0, 1, 2} | |
| 23 | 1 | oveq1i 7378 | . . . 4 ⊢ ((2 + 1)...5) = (3...5) |
| 24 | 3p2e5 12303 | . . . . . . 7 ⊢ (3 + 2) = 5 | |
| 25 | 24 | eqcomi 2746 | . . . . . 6 ⊢ 5 = (3 + 2) |
| 26 | 25 | oveq2i 7379 | . . . . 5 ⊢ (3...5) = (3...(3 + 2)) |
| 27 | fztp 13508 | . . . . . 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 2737 | . . . . . 6 ⊢ 3 = 3 | |
| 30 | id 22 | . . . . . . 7 ⊢ (3 = 3 → 3 = 3) | |
| 31 | 3p1e4 12297 | . . . . . . . 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 4707 | . . . . . 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 2764 | . . . 4 ⊢ (3...5) = {3, 4, 5} |
| 37 | 23, 36 | eqtri 2760 | . . 3 ⊢ ((2 + 1)...5) = {3, 4, 5} |
| 38 | 22, 37 | uneq12i 4120 | . 2 ⊢ ((0...2) ∪ ((2 + 1)...5)) = ({0, 1, 2} ∪ {3, 4, 5}) |
| 39 | 21, 38 | eqtri 2760 | 1 ⊢ (0...5) = ({0, 1, 2} ∪ {3, 4, 5}) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 ∪ cun 3901 {ctp 4586 class class class wbr 5100 ‘cfv 6500 (class class class)co 7368 0cc0 11038 1c1 11039 + caddc 11041 ≤ cle 11179 2c2 12212 3c3 12213 4c4 12214 5c5 12215 ℤcz 12500 ℤ≥cuz 12763 ...cfz 13435 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-er 8645 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-n0 12414 df-z 12501 df-uz 12764 df-fz 13436 |
| This theorem is referenced by: usgrexmpl1vtx 48377 usgrexmpl2vtx 48382 |
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