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Mirrors > Home > ILE Home > Th. List > structcnvcnv | Unicode version |
Description: Two ways to express the relational part of a structure. (Contributed by Mario Carneiro, 29-Aug-2015.) |
Ref | Expression |
---|---|
structcnvcnv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0nelxp 4688 |
. . . . . 6
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2 | cnvcnv 5119 |
. . . . . . . 8
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3 | inss2 3381 |
. . . . . . . 8
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4 | 2, 3 | eqsstri 3212 |
. . . . . . 7
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5 | 4 | sseli 3176 |
. . . . . 6
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6 | 1, 5 | mto 663 |
. . . . 5
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7 | disjsn 3681 |
. . . . 5
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8 | 6, 7 | mpbir 146 |
. . . 4
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9 | cnvcnvss 5121 |
. . . . 5
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10 | reldisj 3499 |
. . . . 5
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11 | 9, 10 | ax-mp 5 |
. . . 4
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12 | 8, 11 | mpbi 145 |
. . 3
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13 | 12 | a1i 9 |
. 2
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14 | structn0fun 12634 |
. . . . 5
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
15 | funrel 5272 |
. . . . 5
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16 | 14, 15 | syl 14 |
. . . 4
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17 | dfrel2 5117 |
. . . 4
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18 | 16, 17 | sylib 122 |
. . 3
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19 | difss 3286 |
. . . 4
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20 | cnvss 4836 |
. . . 4
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21 | cnvss 4836 |
. . . 4
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22 | 19, 20, 21 | mp2b 8 |
. . 3
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23 | 18, 22 | eqsstrrdi 3233 |
. 2
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24 | 13, 23 | eqssd 3197 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-ral 2477 df-rex 2478 df-rab 2481 df-v 2762 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-nul 3448 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-br 4031 df-opab 4092 df-xp 4666 df-rel 4667 df-cnv 4668 df-co 4669 df-dm 4670 df-iota 5216 df-fun 5257 df-fv 5263 df-struct 12623 |
This theorem is referenced by: structfung 12638 |
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