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| Description: Lemma for infmap2 7581. Technical result that is used several times. |
| Ref | Expression |
|---|---|
| infmap2lem.1 |
|
| infmap2lem.2 |
|
| infmap2lem.3 |
|
| Ref | Expression |
|---|---|
| infmap2lem1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssel 2063 |
. . . . . 6
| |
| 2 | infmap2lem.3 |
. . . . . . . . 9
| |
| 3 | 2 | eleq2i 1538 |
. . . . . . . 8
|
| 4 | visset 1813 |
. . . . . . . . 9
| |
| 5 | fvex 3732 |
. . . . . . . . 9
| |
| 6 | sseq1 2082 |
. . . . . . . . . . 11
| |
| 7 | breq1 2622 |
. . . . . . . . . . 11
| |
| 8 | 6, 7 | anbi12d 628 |
. . . . . . . . . 10
|
| 9 | foeq3 3670 |
. . . . . . . . . 10
| |
| 10 | 8, 9 | anbi12d 628 |
. . . . . . . . 9
|
| 11 | foeq1 3668 |
. . . . . . . . . 10
| |
| 12 | 11 | anbi2d 616 |
. . . . . . . . 9
|
| 13 | 4, 5, 10, 12 | opelopab 2820 |
. . . . . . . 8
|
| 14 | 3, 13 | bitr 173 |
. . . . . . 7
|
| 15 | pm3.26 319 |
. . . . . . . 8
| |
| 16 | 15 | anim1i 334 |
. . . . . . 7
|
| 17 | 14, 16 | sylbi 199 |
. . . . . 6
|
| 18 | 1, 17 | syl6 22 |
. . . . 5
|
| 19 | fnopfv 3811 |
. . . . 5
| |
| 20 | 18, 19 | syl5 21 |
. . . 4
|
| 21 | 20 | exp3a 375 |
. . 3
|
| 22 | 21 | imp 350 |
. 2
|
| 23 | 2 | dmeqi 3312 |
. . . . 5
|
| 24 | dmopab 3320 |
. . . . 5
| |
| 25 | anass 439 |
. . . . . . 7
| |
| 26 | 19.42v 1308 |
. . . . . . 7
| |
| 27 | infmap2lem.2 |
. . . . . . . . . . 11
| |
| 28 | 27 | ensym 4412 |
. . . . . . . . . 10
|
| 29 | visset 1813 |
. . . . . . . . . . . 12
| |
| 30 | 29 | bren 4377 |
. . . . . . . . . . 11
|
| 31 | f1ofo 3695 |
. . . . . . . . . . . 12
| |
| 32 | 31 | 19.22i 1040 |
. . . . . . . . . . 11
|
| 33 | 30, 32 | sylbi 199 |
. . . . . . . . . 10
|
| 34 | 28, 33 | syl 10 |
. . . . . . . . 9
|
| 35 | 34 | pm4.71i 637 |
. . . . . . . 8
|
| 36 | 35 | anbi2i 480 |
. . . . . . 7
|
| 37 | 25, 26, 36 | 3bitr4 183 |
. . . . . 6
|
| 38 | 37 | abbii 1575 |
. . . . 5
|
| 39 | 23, 24, 38 | 3eqtr 1499 |
. . . 4
|
| 40 | sseq1 2082 |
. . . . . 6
| |
| 41 | breq1 2622 |
. . . . . 6
| |
| 42 | 40, 41 | anbi12d 628 |
. . . . 5
|
| 43 | 42 | cbvabv 1909 |
. . . 4
|
| 44 | 39, 43 | eqtr 1495 |
. . 3
|
| 45 | 44 | eleq2i 1538 |
. 2
|
| 46 | 22, 45 | syl5ibr 207 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: infmap2lem2 7580 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-pow 2742 ax-pr 2779 ax-un 2866 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-rex 1650 df-v 1812 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 df-op 2416 df-uni 2504 df-br 2620 df-opab 2667 df-id 2835 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 df-f 3194 df-f1 3195 df-fo 3196 df-f1o 3197 df-fv 3198 df-er 4261 df-en 4368 |