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| Description: Lemma for xpmapen 4507. |
| Ref | Expression |
|---|---|
| xpmapen.1 |
|
| xpmapen.2 |
|
| xpmapen.3 |
|
| xpmapenlem.4 |
|
| xpmapenlem.5 |
|
| xpmapenlem.6 |
|
| Ref | Expression |
|---|---|
| xpmapenlem2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sneq 2421 |
. . . . . . . 8
| |
| 2 | xpmapenlem.4 |
. . . . . . . . . 10
| |
| 3 | 2 | opeq1i 2494 |
. . . . . . . . 9
|
| 4 | 3 | sneqi 2422 |
. . . . . . . 8
|
| 5 | 1, 4 | syl6eq 1526 |
. . . . . . 7
|
| 6 | 5 | dmeqd 3319 |
. . . . . 6
|
| 7 | 6 | unieqd 2516 |
. . . . 5
|
| 8 | xpmapen.3 |
. . . . . . 7
| |
| 9 | 8 | opabex2 3616 |
. . . . . 6
|
| 10 | 9 | op1sta 3454 |
. . . . 5
|
| 11 | 7, 10 | syl6eq 1526 |
. . . 4
|
| 12 | 11 | fveq1d 3732 |
. . 3
|
| 13 | snex 2756 |
. . . . . 6
| |
| 14 | 13 | dmex 3366 |
. . . . 5
|
| 15 | 14 | uniex 2876 |
. . . 4
|
| 16 | fvopab2 3797 |
. . . 4
| |
| 17 | 15, 16 | mpan2 698 |
. . 3
|
| 18 | 12, 17 | sylan9eq 1530 |
. 2
|
| 19 | xpmapenlem.5 |
. . . . . . . . . 10
| |
| 20 | 19 | opeq2i 2495 |
. . . . . . . . 9
|
| 21 | 20 | sneqi 2422 |
. . . . . . . 8
|
| 22 | 1, 21 | syl6eq 1526 |
. . . . . . 7
|
| 23 | 22 | rneqd 3347 |
. . . . . 6
|
| 24 | 23 | unieqd 2516 |
. . . . 5
|
| 25 | 8, 2 | fopabex2 3618 |
. . . . . 6
|
| 26 | 8 | opabex2 3616 |
. . . . . 6
|
| 27 | 25, 26 | op2nda 3458 |
. . . . 5
|
| 28 | 24, 27 | syl6eq 1526 |
. . . 4
|
| 29 | 28 | fveq1d 3732 |
. . 3
|
| 30 | 13 | rnex 3367 |
. . . . 5
|
| 31 | 30 | uniex 2876 |
. . . 4
|
| 32 | fvopab2 3797 |
. . . 4
| |
| 33 | 31, 32 | mpan2 698 |
. . 3
|
| 34 | 29, 33 | sylan9eq 1530 |
. 2
|
| 35 | 18, 34 | jca 288 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: xpmapenlem3 4504 xpmapenlem5 4506 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-8 966 ax-9 967 ax-10 968 ax-11 969 ax-12 970 ax-13 971 ax-14 972 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-10o 1142 ax-16 1212 ax-11o 1220 ax-ext 1462 ax-rep 2698 ax-sep 2708 ax-nul 2715 ax-pow 2748 ax-pr 2785 ax-un 2872 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 983 df-sb 1174 df-eu 1384 df-mo 1385 df-clab 1467 df-cleq 1472 df-clel 1475 df-ne 1590 df-rex 1653 df-v 1815 df-dif 2052 df-un 2053 df-in 2054 df-ss 2056 df-nul 2284 df-pw 2406 df-sn 2416 df-pr 2417 df-op 2420 df-uni 2508 df-br 2625 df-opab 2672 df-id 2841 df-xp 3190 df-rel 3191 df-cnv 3192 df-co 3193 df-dm 3194 df-rn 3195 df-res 3196 df-ima 3197 df-fun 3198 df-fn 3199 df-fv 3204 |