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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 12409 | . . . 4 ⊢ (2 + 1) = 3 | |
| 2 | 0z 12629 | . . . . 5 ⊢ 0 ∈ ℤ | |
| 3 | 3z 12654 | . . . . 5 ⊢ 3 ∈ ℤ | |
| 4 | 0re 11237 | . . . . . 6 ⊢ 0 ∈ ℝ | |
| 5 | 3re 12348 | . . . . . 6 ⊢ 3 ∈ ℝ | |
| 6 | 3pos 12376 | . . . . . 6 ⊢ 0 < 3 | |
| 7 | 4, 5, 6 | ltleii 11360 | . . . . 5 ⊢ 0 ≤ 3 |
| 8 | eluz2 12896 | . . . . 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 2858 | . . 3 ⊢ (2 + 1) ∈ (ℤ≥‘0) |
| 11 | 2z 12653 | . . . 4 ⊢ 2 ∈ ℤ | |
| 12 | 5nn0 12551 | . . . . 5 ⊢ 5 ∈ ℕ0 | |
| 13 | 12 | nn0zi 12646 | . . . 4 ⊢ 5 ∈ ℤ |
| 14 | 2re 12342 | . . . . 5 ⊢ 2 ∈ ℝ | |
| 15 | 5re 12355 | . . . . 5 ⊢ 5 ∈ ℝ | |
| 16 | 2lt5 12449 | . . . . 5 ⊢ 2 < 5 | |
| 17 | 14, 15, 16 | ltleii 11360 | . . . 4 ⊢ 2 ≤ 5 |
| 18 | eluz2 12896 | . . . 4 ⊢ (5 ∈ (ℤ≥‘2) ↔ (2 ∈ ℤ ∧ 5 ∈ ℤ ∧ 2 ≤ 5)) | |
| 19 | 11, 13, 17, 18 | mpbir3an 1360 | . . 3 ⊢ 5 ∈ (ℤ≥‘2) |
| 20 | fzsplit2 13606 | . . 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 13685 | . . 3 ⊢ (0...2) = {0, 1, 2} | |
| 23 | 1 | oveq1i 7426 | . . . 4 ⊢ ((2 + 1)...5) = (3...5) |
| 24 | 3p2e5 12418 | . . . . . . 7 ⊢ (3 + 2) = 5 | |
| 25 | 24 | eqcomi 2771 | . . . . . 6 ⊢ 5 = (3 + 2) |
| 26 | 25 | oveq2i 7427 | . . . . 5 ⊢ (3...5) = (3...(3 + 2)) |
| 27 | fztp 13637 | . . . . . 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 2762 | . . . . . 6 ⊢ 3 = 3 | |
| 30 | id 23 | . . . . . . 7 ⊢ (3 = 3 → 3 = 3) | |
| 31 | 3p1e4 12412 | . . . . . . . 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 4712 | . . . . . 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 2789 | . . . 4 ⊢ (3...5) = {3, 4, 5} |
| 37 | 23, 36 | eqtri 2785 | . . 3 ⊢ ((2 + 1)...5) = {3, 4, 5} |
| 38 | 22, 37 | uneq12i 4116 | . 2 ⊢ ((0...2) ∪ ((2 + 1)...5)) = ({0, 1, 2} ∪ {3, 4, 5}) |
| 39 | 21, 38 | eqtri 2785 | 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 3900 {ctp 4591 class class class wbr 5107 ‘cfv 6537 (class class class)co 7416 0cc0 11127 1c1 11128 + caddc 11130 ≤ cle 11271 2c2 12322 3c3 12323 4c4 12324 5c5 12325 ℤcz 12618 ℤ≥cuz 12890 ...cfz 13563 |
| 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 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 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 |
| 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 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-tp 4592 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 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 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 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-1st 7989 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8699 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-3 12331 df-4 12332 df-5 12333 df-n0 12532 df-z 12619 df-uz 12891 df-fz 13564 |
| This theorem is used by: usgrexmpl1vtx 48926 usgrexmpl2vtx 48931 |
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