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| Description: Lemma for unbnn 5637. The function |
| Ref | Expression |
|---|---|
| unblem.1 |
|
| unblem.2 |
|
| Ref | Expression |
|---|---|
| unblem4 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | omsson 3954 |
. . . 4
| |
| 2 | sstr 2625 |
. . . 4
| |
| 3 | 1, 2 | mpan2 760 |
. . 3
|
| 4 | 3 | adantr 425 |
. 2
|
| 5 | ffnfv 4801 |
. . . 4
| |
| 6 | 5 | biimpri 169 |
. . 3
|
| 7 | frfnom 5159 |
. . . 4
| |
| 8 | unblem.2 |
. . . . 5
| |
| 9 | 8 | fneq1i 4507 |
. . . 4
|
| 10 | 7, 9 | mpbir 207 |
. . 3
|
| 11 | unblem.1 |
. . . . 5
| |
| 12 | 11, 8 | unblem2 5634 |
. . . 4
|
| 13 | 12 | r19.21aiv 2175 |
. . 3
|
| 14 | 6, 10, 13 | sylancr 526 |
. 2
|
| 15 | 11, 8 | unblem3 5635 |
. . 3
|
| 16 | 15 | r19.21aiv 2175 |
. 2
|
| 17 | omsmo 5314 |
. 2
| |
| 18 | 4, 14, 16, 17 | syl21anc 1099 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: unbnn 5637 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-rab 2112 df-v 2294 df-sbc 2454 df-csb 2541 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-pss 2607 df-nul 2876 df-if 2983 df-pw 3035 df-sn 3049 df-pr 3050 df-tp 3052 df-op 3053 df-uni 3178 df-int 3215 df-iun 3257 df-br 3339 df-opab 3396 df-tr 3412 df-eprel 3583 df-id 3586 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-ord 3660 df-on 3661 df-lim 3662 df-suc 3663 df-om 3950 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-f1 4011 df-fv 4014 df-rdg 5140 |