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| Mirrors > Home > MPE Home > Th. List > ex-cnv | Structured version Visualization version GIF version | ||
| Description: Example for df-cnv 5633. 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 6101 | . . 3 ⊢ ◡({〈2, 6〉} ∪ {〈3, 9〉}) = (◡{〈2, 6〉} ∪ ◡{〈3, 9〉}) | |
| 2 | 2nn 12248 | . . . . . 6 ⊢ 2 ∈ ℕ | |
| 3 | 2 | elexi 3453 | . . . . 5 ⊢ 2 ∈ V |
| 4 | 6nn 12264 | . . . . . 6 ⊢ 6 ∈ ℕ | |
| 5 | 4 | elexi 3453 | . . . . 5 ⊢ 6 ∈ V |
| 6 | 3, 5 | cnvsn 6185 | . . . 4 ⊢ ◡{〈2, 6〉} = {〈6, 2〉} |
| 7 | 3nn 12254 | . . . . . 6 ⊢ 3 ∈ ℕ | |
| 8 | 7 | elexi 3453 | . . . . 5 ⊢ 3 ∈ V |
| 9 | 9nn 12273 | . . . . . 6 ⊢ 9 ∈ ℕ | |
| 10 | 9 | elexi 3453 | . . . . 5 ⊢ 9 ∈ V |
| 11 | 8, 10 | cnvsn 6185 | . . . 4 ⊢ ◡{〈3, 9〉} = {〈9, 3〉} |
| 12 | 6, 11 | uneq12i 4107 | . . 3 ⊢ (◡{〈2, 6〉} ∪ ◡{〈3, 9〉}) = ({〈6, 2〉} ∪ {〈9, 3〉}) |
| 13 | 1, 12 | eqtri 2760 | . 2 ⊢ ◡({〈2, 6〉} ∪ {〈3, 9〉}) = ({〈6, 2〉} ∪ {〈9, 3〉}) |
| 14 | df-pr 4571 | . . 3 ⊢ {〈2, 6〉, 〈3, 9〉} = ({〈2, 6〉} ∪ {〈3, 9〉}) | |
| 15 | 14 | cnveqi 5824 | . 2 ⊢ ◡{〈2, 6〉, 〈3, 9〉} = ◡({〈2, 6〉} ∪ {〈3, 9〉}) |
| 16 | df-pr 4571 | . 2 ⊢ {〈6, 2〉, 〈9, 3〉} = ({〈6, 2〉} ∪ {〈9, 3〉}) | |
| 17 | 13, 15, 16 | 3eqtr4i 2770 | 1 ⊢ ◡{〈2, 6〉, 〈3, 9〉} = {〈6, 2〉, 〈9, 3〉} |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∪ cun 3888 {csn 4568 {cpr 4570 〈cop 4574 ◡ccnv 5624 ℕcn 12168 2c2 12230 3c3 12231 6c6 12234 9c9 12237 |
| 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 5232 ax-nul 5242 ax-pr 5371 ax-un 7683 ax-1cn 11090 |
| 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-ral 3053 df-rex 3063 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-ov 7364 df-om 7812 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-nn 12169 df-2 12238 df-3 12239 df-4 12240 df-5 12241 df-6 12242 df-7 12243 df-8 12244 df-9 12245 |
| This theorem is referenced by: (None) |
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