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Mirrors > Home > MPE Home > Th. List > isoini2 | Structured version Visualization version 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 6573 |
. . . . . 6
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2 | f1of1 6136 |
. . . . . 6
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3 | 1, 2 | syl 17 |
. . . . 5
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4 | 3 | adantr 481 |
. . . 4
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5 | isoini2.1 |
. . . . 5
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6 | inss1 3833 |
. . . . 5
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7 | 5, 6 | eqsstri 3635 |
. . . 4
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8 | f1ores 6151 |
. . . 4
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9 | 4, 7, 8 | sylancl 694 |
. . 3
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10 | isoini 6588 |
. . . . 5
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11 | 5 | imaeq2i 5464 |
. . . . 5
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12 | isoini2.2 |
. . . . 5
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13 | 10, 11, 12 | 3eqtr4g 2681 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
14 | f1oeq3 6129 |
. . . 4
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15 | 13, 14 | syl 17 |
. . 3
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16 | 9, 15 | mpbid 222 |
. 2
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17 | df-isom 5897 |
. . . . . . 7
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18 | 17 | simprbi 480 |
. . . . . 6
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19 | 18 | adantr 481 |
. . . . 5
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20 | ssralv 3666 |
. . . . . 6
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21 | 20 | ralimdv 2963 |
. . . . 5
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22 | 7, 19, 21 | mpsyl 68 |
. . . 4
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23 | ssralv 3666 |
. . . 4
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24 | 7, 22, 23 | mpsyl 68 |
. . 3
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25 | fvres 6207 |
. . . . . . 7
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26 | fvres 6207 |
. . . . . . 7
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
27 | 25, 26 | breqan12d 4669 |
. . . . . 6
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28 | 27 | bibi2d 332 |
. . . . 5
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29 | 28 | ralbidva 2985 |
. . . 4
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30 | 29 | ralbiia 2979 |
. . 3
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31 | 24, 30 | sylibr 224 |
. 2
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32 | df-isom 5897 |
. 2
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33 | 16, 31, 32 | sylanbrc 698 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-isom 5897 |
This theorem is referenced by: fz1isolem 13245 |
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