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Mirrors > Home > MPE Home > Th. List > ex-cnv | Structured version Visualization version GIF version |
Description: Example for df-cnv 5588. 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 6035 | . . 3 ⊢ ◡({〈2, 6〉} ∪ {〈3, 9〉}) = (◡{〈2, 6〉} ∪ ◡{〈3, 9〉}) | |
2 | 2nn 11976 | . . . . . 6 ⊢ 2 ∈ ℕ | |
3 | 2 | elexi 3441 | . . . . 5 ⊢ 2 ∈ V |
4 | 6nn 11992 | . . . . . 6 ⊢ 6 ∈ ℕ | |
5 | 4 | elexi 3441 | . . . . 5 ⊢ 6 ∈ V |
6 | 3, 5 | cnvsn 6118 | . . . 4 ⊢ ◡{〈2, 6〉} = {〈6, 2〉} |
7 | 3nn 11982 | . . . . . 6 ⊢ 3 ∈ ℕ | |
8 | 7 | elexi 3441 | . . . . 5 ⊢ 3 ∈ V |
9 | 9nn 12001 | . . . . . 6 ⊢ 9 ∈ ℕ | |
10 | 9 | elexi 3441 | . . . . 5 ⊢ 9 ∈ V |
11 | 8, 10 | cnvsn 6118 | . . . 4 ⊢ ◡{〈3, 9〉} = {〈9, 3〉} |
12 | 6, 11 | uneq12i 4091 | . . 3 ⊢ (◡{〈2, 6〉} ∪ ◡{〈3, 9〉}) = ({〈6, 2〉} ∪ {〈9, 3〉}) |
13 | 1, 12 | eqtri 2766 | . 2 ⊢ ◡({〈2, 6〉} ∪ {〈3, 9〉}) = ({〈6, 2〉} ∪ {〈9, 3〉}) |
14 | df-pr 4561 | . . 3 ⊢ {〈2, 6〉, 〈3, 9〉} = ({〈2, 6〉} ∪ {〈3, 9〉}) | |
15 | 14 | cnveqi 5772 | . 2 ⊢ ◡{〈2, 6〉, 〈3, 9〉} = ◡({〈2, 6〉} ∪ {〈3, 9〉}) |
16 | df-pr 4561 | . 2 ⊢ {〈6, 2〉, 〈9, 3〉} = ({〈6, 2〉} ∪ {〈9, 3〉}) | |
17 | 13, 15, 16 | 3eqtr4i 2776 | 1 ⊢ ◡{〈2, 6〉, 〈3, 9〉} = {〈6, 2〉, 〈9, 3〉} |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 ∪ cun 3881 {csn 4558 {cpr 4560 〈cop 4564 ◡ccnv 5579 ℕcn 11903 2c2 11958 3c3 11959 6c6 11962 9c9 11965 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pr 5347 ax-un 7566 ax-1cn 10860 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-ov 7258 df-om 7688 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-nn 11904 df-2 11966 df-3 11967 df-4 11968 df-5 11969 df-6 11970 df-7 11971 df-8 11972 df-9 11973 |
This theorem is referenced by: (None) |
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