| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Lemma for unbnn 3435. The value of the function |
| Ref | Expression |
|---|---|
| unblem.1 |
|
| unblem.2 |
|
| Ref | Expression |
|---|---|
| unblem2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fveq2 2832 |
. . . 4
| |
| 2 | 1 | eleq1d 1155 |
. . 3
|
| 3 | fveq2 2832 |
. . . 4
| |
| 4 | 3 | eleq1d 1155 |
. . 3
|
| 5 | fveq2 2832 |
. . . 4
| |
| 6 | 5 | eleq1d 1155 |
. . 3
|
| 7 | onint 2261 |
. . . . 5
| |
| 8 | omsson 2377 |
. . . . . 6
| |
| 9 | sstr 1511 |
. . . . . 6
| |
| 10 | 8, 9 | mpan2 519 |
. . . . 5
|
| 11 | peano1 2390 |
. . . . . . . . 9
| |
| 12 | eleq1 1149 |
. . . . . . . . . . 11
| |
| 13 | 12 | birexdv 1220 |
. . . . . . . . . 10
|
| 14 | 13 | rcla4v 1402 |
. . . . . . . . 9
|
| 15 | 11, 14 | mpi 44 |
. . . . . . . 8
|
| 16 | df-rex 1206 |
. . . . . . . 8
| |
| 17 | 15, 16 | sylib 173 |
. . . . . . 7
|
| 18 | pm3.26 256 |
. . . . . . . 8
| |
| 19 | 18 | 19.22i 723 |
. . . . . . 7
|
| 20 | 17, 19 | syl 12 |
. . . . . 6
|
| 21 | n0 1714 |
. . . . . 6
| |
| 22 | 20, 21 | sylibr 175 |
. . . . 5
|
| 23 | 7, 10, 22 | syl2an 349 |
. . . 4
|
| 24 | frzer 2990 |
. . . . . . 7
| |
| 25 | unblem.2 |
. . . . . . . 8
| |
| 26 | 25 | fveq1i 2833 |
. . . . . . 7
|
| 27 | 24, 26 | syl5req 1137 |
. . . . . 6
|
| 28 | 27 | eleq1d 1155 |
. . . . 5
|
| 29 | 28 | ibi 449 |
. . . 4
|
| 30 | 23, 29 | syl 12 |
. . 3
|
| 31 | ax-17 925 |
. . . . . . . . . 10
| |
| 32 | ax-17 925 |
. . . . . . . . . 10
| |
| 33 | ax-17 925 |
. . . . . . . . . . . 12
| |
| 34 | unblem.1 |
. . . . . . . . . . . . . 14
| |
| 35 | 34, 32 | hbfv 2837 |
. . . . . . . . . . . . 13
|
| 36 | 35 | hbsuc 2294 |
. . . . . . . . . . . 12
|
| 37 | 33, 36 | hbdif 1590 |
. . . . . . . . . . 11
|
| 38 | 37 | hbint 1975 |
. . . . . . . . . 10
|
| 39 | suceq 2288 |
. . . . . . . . . . . 12
| |
| 40 | 39 | difeq2d 1588 |
. . . . . . . . . . 11
|
| 41 | 40 | inteqd 1970 |
. . . . . . . . . 10
|
| 42 | 31, 32, 38, 25, 41 | frsucopab 2992 |
. . . . . . . . 9
|
| 43 | 42 | cleqcomd 1106 |
. . . . . . . 8
|
| 44 | 43 | eleq1d 1155 |
. . . . . . 7
|
| 45 | 44 | exp 291 |
. . . . . 6
|
| 46 | 45 | ibd 451 |
. . . . 5
|
| 47 | unblem1 3431 |
. . . . 5
| |
| 48 | 46, 47 | syl5 22 |
. . . 4
|
| 49 | 48 | exp3a 292 |
. . 3
|
| 50 | 2, 4, 6, 30, 49 | finds2 2399 |
. 2
|
| 51 | 50 | com12 13 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: unblem3 3433 unblem4 3434 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-un 1076 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-3or 582 df-3an 583 df-ex 679 df-sb 853 df-eu 1009 df-mo 1010 df-clab 1093 df-cleq 1097 df-clel 1099 df-ral 1205 df-rex 1206 df-rab 1208 df-v 1349 df-sbc 1441 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-if 1777 df-pw 1799 df-sn 1811 df-pr 1812 df-tp 1814 df-op 1815 df-uni 1920 df-int 1966 df-tr 2042 df-br 2063 df-opab 2098 df-eprel 2122 df-id 2125 df-po 2128 df-so 2138 df-fr 2169 df-we 2186 df-ord 2202 df-on 2203 df-lim 2204 df-suc 2205 df-om 2373 df-xp 2424 df-rel 2425 df-cnv 2426 df-co 2427 df-dm 2428 df-rn 2429 df-res 2430 df-ima 2431 df-fun 2432 df-fn 2433 df-fv 2438 df-rdg 2970 |