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| Description: Lemma for xpmapen 4494. |
| Ref | Expression |
|---|---|
| xpmapen.1 |
|
| xpmapen.2 |
|
| xpmapen.3 |
|
| xpmapenlem.4 |
|
| xpmapenlem.5 |
|
| xpmapenlem.6 |
|
| Ref | Expression |
|---|---|
| xpmapenlem2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sneq 2415 |
. . . . . . . 8
| |
| 2 | xpmapenlem.4 |
. . . . . . . . . 10
| |
| 3 | 2 | opeq1i 2488 |
. . . . . . . . 9
|
| 4 | 3 | sneqi 2416 |
. . . . . . . 8
|
| 5 | 1, 4 | syl6eq 1522 |
. . . . . . 7
|
| 6 | 5 | dmeqd 3310 |
. . . . . 6
|
| 7 | 6 | unieqd 2509 |
. . . . 5
|
| 8 | xpmapen.3 |
. . . . . . 7
| |
| 9 | 8 | opabex2 3607 |
. . . . . 6
|
| 10 | 9 | op1sta 3445 |
. . . . 5
|
| 11 | 7, 10 | syl6eq 1522 |
. . . 4
|
| 12 | 11 | fveq1d 3723 |
. . 3
|
| 13 | snex 2747 |
. . . . . 6
| |
| 14 | 13 | dmex 3357 |
. . . . 5
|
| 15 | 14 | uniex 2867 |
. . . 4
|
| 16 | fvopab2 3788 |
. . . 4
| |
| 17 | 15, 16 | mpan2 695 |
. . 3
|
| 18 | 12, 17 | sylan9eq 1526 |
. 2
|
| 19 | xpmapenlem.5 |
. . . . . . . . . 10
| |
| 20 | 19 | opeq2i 2489 |
. . . . . . . . 9
|
| 21 | 20 | sneqi 2416 |
. . . . . . . 8
|
| 22 | 1, 21 | syl6eq 1522 |
. . . . . . 7
|
| 23 | 22 | rneqd 3338 |
. . . . . 6
|
| 24 | 23 | unieqd 2509 |
. . . . 5
|
| 25 | 8, 2 | fopabex2 3609 |
. . . . . 6
|
| 26 | 8 | opabex2 3607 |
. . . . . 6
|
| 27 | 25, 26 | op2nda 3449 |
. . . . 5
|
| 28 | 24, 27 | syl6eq 1522 |
. . . 4
|
| 29 | 28 | fveq1d 3723 |
. . 3
|
| 30 | 13 | rnex 3358 |
. . . . 5
|
| 31 | 30 | uniex 2867 |
. . . 4
|
| 32 | fvopab2 3788 |
. . . 4
| |
| 33 | 31, 32 | mpan2 695 |
. . 3
|
| 34 | 29, 33 | sylan9eq 1526 |
. 2
|
| 35 | 18, 34 | jca 288 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: xpmapenlem3 4491 xpmapenlem5 4493 |
| 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 1210 ax-11o 1218 ax-ext 1459 ax-rep 2690 ax-sep 2700 ax-nul 2707 ax-pow 2739 ax-pr 2776 ax-un 2863 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 980 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1586 df-rex 1649 df-v 1810 df-dif 2047 df-un 2048 df-in 2049 df-ss 2051 df-nul 2279 df-pw 2400 df-sn 2410 df-pr 2411 df-op 2414 df-uni 2501 df-br 2617 df-opab 2664 df-id 2832 df-xp 3181 df-rel 3182 df-cnv 3183 df-co 3184 df-dm 3185 df-rn 3186 df-res 3187 df-ima 3188 df-fun 3189 df-fn 3190 df-fv 3195 |