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Related theorems Unicode version |
| Description: The set of Cauchy sequences on a metric space. |
| Ref | Expression |
|---|---|
| lmfval.1 |
|
| Ref | Expression |
|---|---|
| caufval |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dmexg 3354 |
. . . . 5
| |
| 2 | dmexg 3354 |
. . . . 5
| |
| 3 | 1, 2 | syl 10 |
. . . 4
|
| 4 | lmfval.1 |
. . . 4
| |
| 5 | 3, 4 | syl5eqel 1550 |
. . 3
|
| 6 | axcnex 5250 |
. . . 4
| |
| 7 | xpexg 3255 |
. . . 4
| |
| 8 | 6, 7 | mpan 694 |
. . 3
|
| 9 | abssexg 2743 |
. . 3
| |
| 10 | 5, 8, 9 | 3syl 20 |
. 2
|
| 11 | dmeq 3307 |
. . . . . . . . 9
| |
| 12 | 11 | dmeqd 3309 |
. . . . . . . 8
|
| 13 | 12, 4 | syl6eqr 1523 |
. . . . . . 7
|
| 14 | xpeq2 3197 |
. . . . . . 7
| |
| 15 | 13, 14 | syl 10 |
. . . . . 6
|
| 16 | 15 | sseq2d 2086 |
. . . . 5
|
| 17 | 13 | eleq2d 1539 |
. . . . . . . . . . 11
|
| 18 | 13 | eleq2d 1539 |
. . . . . . . . . . 11
|
| 19 | 17, 18 | 3anbi12d 893 |
. . . . . . . . . 10
|
| 20 | 19 | imbi2d 611 |
. . . . . . . . 9
|
| 21 | 20 | ralbidv 1661 |
. . . . . . . 8
|
| 22 | 21 | rexralbidv 1680 |
. . . . . . 7
|
| 23 | 22 | imbi2d 611 |
. . . . . 6
|
| 24 | 23 | ralbidv 1661 |
. . . . 5
|
| 25 | 16, 24 | anbi12d 627 |
. . . 4
|
| 26 | 25 | abbidv 1575 |
. . 3
|
| 27 | df-cau 7885 |
. . 3
| |
| 28 | 26, 27 | fvopab4g 3774 |
. 2
|
| 29 | 10, 28 | mpdan 703 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: iscau 7898 h2hcau 8804 |
| 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-nul 2706 ax-pow 2738 ax-pr 2775 ax-un 2862 ax-inf2 4608 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 775 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-ral 1647 df-rex 1648 df-rab 1650 df-v 1809 df-dif 2046 df-un 2047 df-in 2048 df-ss 2050 df-pss 2052 df-nul 2278 df-if 2359 df-pw 2399 df-sn 2409 df-pr 2410 df-tp 2412 df-op 2413 df-uni 2500 df-br 2616 df-opab 2663 df-tr 2677 df-eprel 2828 df-id 2831 df-po 2836 df-so 2846 df-fr 2913 df-we |