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| Mirrors > Home > MPE Home > Th. List > ex-cnv | Structured version Visualization version GIF version | ||
| Description: Example for df-cnv 5655. 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 6126 | . . 3 ⊢ ◡({〈2, 6〉} ∪ {〈3, 9〉}) = (◡{〈2, 6〉} ∪ ◡{〈3, 9〉}) | |
| 2 | 2nn 12291 | . . . . . 6 ⊢ 2 ∈ ℕ | |
| 3 | 2 | elexi 3476 | . . . . 5 ⊢ 2 ∈ V |
| 4 | 6nn 12307 | . . . . . 6 ⊢ 6 ∈ ℕ | |
| 5 | 4 | elexi 3476 | . . . . 5 ⊢ 6 ∈ V |
| 6 | 3, 5 | cnvsn 6213 | . . . 4 ⊢ ◡{〈2, 6〉} = {〈6, 2〉} |
| 7 | 3nn 12297 | . . . . . 6 ⊢ 3 ∈ ℕ | |
| 8 | 7 | elexi 3476 | . . . . 5 ⊢ 3 ∈ V |
| 9 | 9nn 12316 | . . . . . 6 ⊢ 9 ∈ ℕ | |
| 10 | 9 | elexi 3476 | . . . . 5 ⊢ 9 ∈ V |
| 11 | 8, 10 | cnvsn 6213 | . . . 4 ⊢ ◡{〈3, 9〉} = {〈9, 3〉} |
| 12 | 6, 11 | uneq12i 4119 | . . 3 ⊢ (◡{〈2, 6〉} ∪ ◡{〈3, 9〉}) = ({〈6, 2〉} ∪ {〈9, 3〉}) |
| 13 | 1, 12 | eqtri 2785 | . 2 ⊢ ◡({〈2, 6〉} ∪ {〈3, 9〉}) = ({〈6, 2〉} ∪ {〈9, 3〉}) |
| 14 | df-pr 4585 | . . 3 ⊢ {〈2, 6〉, 〈3, 9〉} = ({〈2, 6〉} ∪ {〈3, 9〉}) | |
| 15 | 14 | cnveqi 5846 | . 2 ⊢ ◡{〈2, 6〉, 〈3, 9〉} = ◡({〈2, 6〉} ∪ {〈3, 9〉}) |
| 16 | df-pr 4585 | . 2 ⊢ {〈6, 2〉, 〈9, 3〉} = ({〈6, 2〉} ∪ {〈9, 3〉}) | |
| 17 | 13, 15, 16 | 3eqtr4i 2795 | 1 ⊢ ◡{〈2, 6〉, 〈3, 9〉} = {〈6, 2〉, 〈9, 3〉} |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1560 ∪ cun 3902 {csn 4582 {cpr 4584 〈cop 4588 ◡ccnv 5646 ℕcn 12210 2c2 12272 3c3 12273 6c6 12276 9c9 12279 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pr 5390 ax-un 7718 ax-1cn 11131 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-ov 7399 df-om 7847 df-2nd 7971 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-nn 12211 df-2 12280 df-3 12281 df-4 12282 df-5 12283 df-6 12284 df-7 12285 df-8 12286 df-9 12287 |
| This theorem is referenced by: (None) |
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