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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 12643 | . . 3 ⊢ 4 ∈ ℤ | |
| 2 | fzoval 13705 | . . 3 ⊢ (4 ∈ ℤ → (1..^4) = (1...(4 − 1))) | |
| 3 | 1, 2 | ax-mp 5 | . 2 ⊢ (1..^4) = (1...(4 − 1)) |
| 4 | 4m1e3 12384 | . . . 4 ⊢ (4 − 1) = 3 | |
| 5 | df-3 12319 | . . . 4 ⊢ 3 = (2 + 1) | |
| 6 | 2cn 12331 | . . . . 5 ⊢ 2 ∈ ℂ | |
| 7 | ax-1cn 11173 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 8 | 6, 7 | addcomi 11416 | . . . 4 ⊢ (2 + 1) = (1 + 2) |
| 9 | 4, 5, 8 | 3eqtri 2792 | . . 3 ⊢ (4 − 1) = (1 + 2) |
| 10 | 9 | oveq2i 7430 | . 2 ⊢ (1...(4 − 1)) = (1...(1 + 2)) |
| 11 | 1z 12639 | . . 3 ⊢ 1 ∈ ℤ | |
| 12 | fztp 13625 | . . . 4 ⊢ (1 ∈ ℤ → (1...(1 + 2)) = {1, (1 + 1), (1 + 2)}) | |
| 13 | eqidd 2766 | . . . . 5 ⊢ (1 ∈ ℤ → 1 = 1) | |
| 14 | 1p1e2 12379 | . . . . . 6 ⊢ (1 + 1) = 2 | |
| 15 | 14 | a1i 11 | . . . . 5 ⊢ (1 ∈ ℤ → (1 + 1) = 2) |
| 16 | 1p2e3 12398 | . . . . . 6 ⊢ (1 + 2) = 3 | |
| 17 | 16 | a1i 11 | . . . . 5 ⊢ (1 ∈ ℤ → (1 + 2) = 3) |
| 18 | 13, 15, 17 | tpeq123d 4716 | . . . 4 ⊢ (1 ∈ ℤ → {1, (1 + 1), (1 + 2)} = {1, 2, 3}) |
| 19 | 12, 18 | eqtrd 2800 | . . 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 2792 | 1 ⊢ (1..^4) = {1, 2, 3} |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2146 {ctp 4595 (class class class)co 7419 1c1 11116 + caddc 11118 − cmin 11456 2c2 12310 3c3 12311 4c4 12312 ℤcz 12606 ...cfz 13551 ..^cfzo 13699 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11171 ax-resscn 11172 ax-1cn 11173 ax-icn 11174 ax-addcl 11175 ax-addrcl 11176 ax-mulcl 11177 ax-mulrcl 11178 ax-mulcom 11179 ax-addass 11180 ax-mulass 11181 ax-distr 11182 ax-i2m1 11183 ax-1ne0 11184 ax-1rid 11185 ax-rnegex 11186 ax-rrecex 11187 ax-cnre 11188 ax-pre-lttri 11189 ax-pre-lttrn 11190 ax-pre-ltadd 11191 ax-pre-mulgt0 11192 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-tr 5221 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-om 7869 df-1st 7992 df-2nd 7993 df-frecs 8284 df-wrecs 8315 df-recs 8364 df-rdg 8403 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11260 df-mnf 11261 df-xr 11262 df-ltxr 11263 df-le 11264 df-sub 11458 df-neg 11459 df-nn 12249 df-2 12318 df-3 12319 df-4 12320 df-n0 12520 df-z 12607 df-uz 12879 df-fz 13552 df-fzo 13700 |
| This theorem is used by: fmtno4prmfac 48382 fmtnofz04prm 48387 gpgprismgr4cycllem7 48924 |
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