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| Mirrors > Home > MPE Home > Th. List > ex-cnv | Structured version Visualization version GIF version | ||
| Description: Example for df-cnv 5669. Example by David A. Wheeler. (Contributed by Mario Carneiro, 6-May-2015.) |
| Ref | Expression |
|---|---|
| ex-cnv | ⊢ ◡{〈2, 6〉, 〈3, 9〉} = {〈6, 2〉, 〈9, 3〉} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvun 6139 | . . 3 ⊢ ◡({〈2, 6〉} ∪ {〈3, 9〉}) = (◡{〈2, 6〉} ∪ ◡{〈3, 9〉}) | |
| 2 | 2nn 12309 | . . . . . 6 ⊢ 2 ∈ ℕ | |
| 3 | 2 | elexi 3477 | . . . . 5 ⊢ 2 ∈ V |
| 4 | 6nn 12325 | . . . . . 6 ⊢ 6 ∈ ℕ | |
| 5 | 4 | elexi 3477 | . . . . 5 ⊢ 6 ∈ V |
| 6 | 3, 5 | cnvsn 6227 | . . . 4 ⊢ ◡{〈2, 6〉} = {〈6, 2〉} |
| 7 | 3nn 12315 | . . . . . 6 ⊢ 3 ∈ ℕ | |
| 8 | 7 | elexi 3477 | . . . . 5 ⊢ 3 ∈ V |
| 9 | 9nn 12334 | . . . . . 6 ⊢ 9 ∈ ℕ | |
| 10 | 9 | elexi 3477 | . . . . 5 ⊢ 9 ∈ V |
| 11 | 8, 10 | cnvsn 6227 | . . . 4 ⊢ ◡{〈3, 9〉} = {〈9, 3〉} |
| 12 | 6, 11 | uneq12i 4120 | . . 3 ⊢ (◡{〈2, 6〉} ∪ ◡{〈3, 9〉}) = ({〈6, 2〉} ∪ {〈9, 3〉}) |
| 13 | 1, 12 | eqtri 2786 | . 2 ⊢ ◡({〈2, 6〉} ∪ {〈3, 9〉}) = ({〈6, 2〉} ∪ {〈9, 3〉}) |
| 14 | df-pr 4592 | . . 3 ⊢ {〈2, 6〉, 〈3, 9〉} = ({〈2, 6〉} ∪ {〈3, 9〉}) | |
| 15 | 14 | cnveqi 5860 | . 2 ⊢ ◡{〈2, 6〉, 〈3, 9〉} = ◡({〈2, 6〉} ∪ {〈3, 9〉}) |
| 16 | df-pr 4592 | . 2 ⊢ {〈6, 2〉, 〈9, 3〉} = ({〈6, 2〉} ∪ {〈9, 3〉}) | |
| 17 | 13, 15, 16 | 3eqtr4i 2796 | 1 ⊢ ◡{〈2, 6〉, 〈3, 9〉} = {〈6, 2〉, 〈9, 3〉} |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 ∪ cun 3903 {csn 4589 {cpr 4591 〈cop 4595 ◡ccnv 5660 ℕcn 12228 2c2 12290 3c3 12291 6c6 12294 9c9 12297 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pr 5404 ax-un 7732 ax-1cn 11153 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-ov 7413 df-om 7859 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-nn 12229 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 df-7 12303 df-8 12304 df-9 12305 |
| This theorem is referenced by: (None) |
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