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| Description: Lemma for infmap2 7541. Technical result that is used several times. |
| Ref | Expression |
|---|---|
| infmap2lem.1 |
|
| infmap2lem.2 |
|
| infmap2lem.3 |
|
| Ref | Expression |
|---|---|
| infmap2lem1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssel 2060 |
. . . . . 6
| |
| 2 | infmap2lem.3 |
. . . . . . . . 9
| |
| 3 | 2 | eleq2i 1536 |
. . . . . . . 8
|
| 4 | visset 1810 |
. . . . . . . . 9
| |
| 5 | fvex 3727 |
. . . . . . . . 9
| |
| 6 | sseq1 2079 |
. . . . . . . . . . 11
| |
| 7 | breq1 2618 |
. . . . . . . . . . 11
| |
| 8 | 6, 7 | anbi12d 627 |
. . . . . . . . . 10
|
| 9 | foeq3 3665 |
. . . . . . . . . 10
| |
| 10 | 8, 9 | anbi12d 627 |
. . . . . . . . 9
|
| 11 | foeq1 3663 |
. . . . . . . . . 10
| |
| 12 | 11 | anbi2d 615 |
. . . . . . . . 9
|
| 13 | 4, 5, 10, 12 | opelopab 2816 |
. . . . . . . 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 3806 |
. . . . 5
| |
| 20 | 18, 19 | syl5 21 |
. . . 4
|
| 21 | 20 | exp3a 375 |
. . 3
|
| 22 | 21 | imp 350 |
. 2
|
| 23 | 2 | dmeqi 3308 |
. . . . 5
|
| 24 | dmopab 3316 |
. . . . 5
| |
| 25 | anass 439 |
. . . . . . 7
| |
| 26 | 19.42v 1307 |
. . . . . . 7
| |
| 27 | infmap2lem.2 |
. . . . . . . . . . 11
| |
| 28 | 27 | ensym 4402 |
. . . . . . . . . 10
|
| 29 | visset 1810 |
. . . . . . . . . . . 12
| |
| 30 | 29 | bren 4368 |
. . . . . . . . . . 11
|
| 31 | f1ofo 3690 |
. . . . . . . . . . . 12
| |
| 32 | 31 | 19.22i 1039 |
. . . . . . . . . . 11
|
| 33 | 30, 32 | sylbi 199 |
. . . . . . . . . 10
|
| 34 | 28, 33 | syl 10 |
. . . . . . . . 9
|
| 35 | 34 | pm4.71i 636 |
. . . . . . . 8
|
| 36 | 35 | anbi2i 480 |
. . . . . . 7
|
| 37 | 25, 26, 36 | 3bitr4 183 |
. . . . . 6
|
| 38 | 37 | abbii 1573 |
. . . . 5
|
| 39 | 23, 24, 38 | 3eqtr 1497 |
. . . 4
|
| 40 | sseq1 2079 |
. . . . . 6
| |
| 41 | breq1 2618 |
. . . . . 6
| |
| 42 | 40, 41 | anbi12d 627 |
. . . . 5
|
| 43 | 42 | cbvabv 1906 |
. . . 4
|
| 44 | 39, 43 | eqtr 1493 |
. . 3
|
| 45 | 44 | eleq2i 1536 |
. 2
|
| 46 | 22, 45 | syl5ibr 207 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: infmap2lem2 7540 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 961 ax-gen 962 ax-8 963 ax-9 964 ax-10 965 ax-11 966 ax-12 967 ax-13 968 ax-14 969 ax-17 970 ax-4 972 ax-5o 974 ax-6o 977 ax-9o 1122 ax-10o 1139 ax-16 1209 ax-11o 1217 ax-ext 1458 ax-rep 2689 ax-sep 2699 ax-pow 2738 ax-pr 2775 ax-un 2862 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3an 776 df-ex 980 df-sb 1171 df-eu 1381 df-mo 1382 df-clab 1463 df-cleq 1468 df-clel 1471 df-ne 1585 df-rex 1648 df-v 1809 df-dif 2046 df-un 2047 df-in 2048 df-ss 2050 df-nul 2278 df-pw 2399 df-sn 2409 df-pr 2410 df-op 2413 df-uni 2500 df-br 2616 df-opab 2663 df-id 2831 df-xp 3180 df-rel 3181 df-cnv 3182 df-co 3183 df-dm 3184 df-rn 3185 df-res 3186 df-ima 3187 df-fun 3188 df-fn 3189 df-f 3190 df-f1 3191 df-fo 3192 df-f1o 3193 df-fv 3194 df-er 4254 df-en 4360 |