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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 5810 |
. . . . . 6
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2 | f1of1 5462 |
. . . . . 6
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3 | 1, 2 | syl 14 |
. . . . 5
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4 | 3 | adantr 276 |
. . . 4
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5 | isoini2.1 |
. . . . 5
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6 | inss1 3357 |
. . . . 5
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7 | 5, 6 | eqsstri 3189 |
. . . 4
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8 | f1ores 5478 |
. . . 4
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9 | 4, 7, 8 | sylancl 413 |
. . 3
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10 | isoini 5821 |
. . . . 5
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11 | 5 | imaeq2i 4970 |
. . . . 5
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12 | isoini2.2 |
. . . . 5
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13 | 10, 11, 12 | 3eqtr4g 2235 |
. . . 4
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14 | f1oeq3 5453 |
. . . 4
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15 | 13, 14 | syl 14 |
. . 3
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16 | 9, 15 | mpbid 147 |
. 2
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17 | df-isom 5227 |
. . . . . . 7
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18 | 17 | simprbi 275 |
. . . . . 6
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19 | 18 | adantr 276 |
. . . . 5
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20 | ssralv 3221 |
. . . . . 6
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21 | 20 | ralimdv 2545 |
. . . . 5
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22 | 7, 19, 21 | mpsyl 65 |
. . . 4
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23 | ssralv 3221 |
. . . 4
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24 | 7, 22, 23 | mpsyl 65 |
. . 3
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25 | fvres 5541 |
. . . . . . 7
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26 | fvres 5541 |
. . . . . . 7
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27 | 25, 26 | breqan12d 4021 |
. . . . . 6
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28 | 27 | bibi2d 232 |
. . . . 5
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29 | 28 | ralbidva 2473 |
. . . 4
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30 | 29 | ralbiia 2491 |
. . 3
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31 | 24, 30 | sylibr 134 |
. 2
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32 | df-isom 5227 |
. 2
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33 | 16, 31, 32 | sylanbrc 417 |
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-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-v 2741 df-sbc 2965 df-un 3135 df-in 3137 df-ss 3144 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-br 4006 df-opab 4067 df-mpt 4068 df-id 4295 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-f1 5223 df-fo 5224 df-f1o 5225 df-fv 5226 df-isom 5227 |
This theorem is referenced by: (None) |
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