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Mirrors > Home > ILE Home > Th. List > isoini2 | Unicode version |
Description: Isomorphisms are isomorphisms on their initial segments. (Contributed by Mario Carneiro, 29-Mar-2014.) |
Ref | Expression |
---|---|
isoini2.1 |
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isoini2.2 |
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Ref | Expression |
---|---|
isoini2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isof1o 5716 |
. . . . . 6
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2 | f1of1 5374 |
. . . . . 6
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3 | 1, 2 | syl 14 |
. . . . 5
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4 | 3 | adantr 274 |
. . . 4
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5 | isoini2.1 |
. . . . 5
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6 | inss1 3301 |
. . . . 5
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7 | 5, 6 | eqsstri 3134 |
. . . 4
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8 | f1ores 5390 |
. . . 4
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9 | 4, 7, 8 | sylancl 410 |
. . 3
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10 | isoini 5727 |
. . . . 5
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11 | 5 | imaeq2i 4887 |
. . . . 5
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12 | isoini2.2 |
. . . . 5
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13 | 10, 11, 12 | 3eqtr4g 2198 |
. . . 4
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14 | f1oeq3 5366 |
. . . 4
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15 | 13, 14 | syl 14 |
. . 3
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16 | 9, 15 | mpbid 146 |
. 2
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17 | df-isom 5140 |
. . . . . . 7
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18 | 17 | simprbi 273 |
. . . . . 6
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19 | 18 | adantr 274 |
. . . . 5
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20 | ssralv 3166 |
. . . . . 6
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21 | 20 | ralimdv 2503 |
. . . . 5
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22 | 7, 19, 21 | mpsyl 65 |
. . . 4
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23 | ssralv 3166 |
. . . 4
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24 | 7, 22, 23 | mpsyl 65 |
. . 3
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25 | fvres 5453 |
. . . . . . 7
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26 | fvres 5453 |
. . . . . . 7
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27 | 25, 26 | breqan12d 3953 |
. . . . . 6
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28 | 27 | bibi2d 231 |
. . . . 5
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29 | 28 | ralbidva 2434 |
. . . 4
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30 | 29 | ralbiia 2452 |
. . 3
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31 | 24, 30 | sylibr 133 |
. 2
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32 | df-isom 5140 |
. 2
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33 | 16, 31, 32 | sylanbrc 414 |
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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-v 2691 df-sbc 2914 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-br 3938 df-opab 3998 df-mpt 3999 df-id 4223 df-xp 4553 df-rel 4554 df-cnv 4555 df-co 4556 df-dm 4557 df-rn 4558 df-res 4559 df-ima 4560 df-iota 5096 df-fun 5133 df-fn 5134 df-f 5135 df-f1 5136 df-fo 5137 df-f1o 5138 df-fv 5139 df-isom 5140 |
This theorem is referenced by: (None) |
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