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Mirrors > Home > MPE Home > Th. List > itunisuc | Structured version Visualization version Unicode version |
Description: Successor iterated union. (Contributed by Stefan O'Rear, 11-Feb-2015.) |
Ref | Expression |
---|---|
ituni.u |
Ref | Expression |
---|---|
itunisuc |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | frsuc 7532 | . . . . . 6 | |
2 | fvex 6201 | . . . . . . 7 | |
3 | unieq 4444 | . . . . . . . 8 | |
4 | unieq 4444 | . . . . . . . . 9 | |
5 | 4 | cbvmptv 4750 | . . . . . . . 8 |
6 | 2 | uniex 6953 | . . . . . . . 8 |
7 | 3, 5, 6 | fvmpt 6282 | . . . . . . 7 |
8 | 2, 7 | ax-mp 5 | . . . . . 6 |
9 | 1, 8 | syl6eq 2672 | . . . . 5 |
10 | 9 | adantl 482 | . . . 4 |
11 | ituni.u | . . . . . . 7 | |
12 | 11 | itunifval 9238 | . . . . . 6 |
13 | 12 | fveq1d 6193 | . . . . 5 |
14 | 13 | adantr 481 | . . . 4 |
15 | 12 | fveq1d 6193 | . . . . . 6 |
16 | 15 | adantr 481 | . . . . 5 |
17 | 16 | unieqd 4446 | . . . 4 |
18 | 10, 14, 17 | 3eqtr4d 2666 | . . 3 |
19 | uni0 4465 | . . . . 5 | |
20 | 19 | eqcomi 2631 | . . . 4 |
21 | 11 | itunifn 9239 | . . . . . . . . . 10 |
22 | fndm 5990 | . . . . . . . . . 10 | |
23 | 21, 22 | syl 17 | . . . . . . . . 9 |
24 | 23 | eleq2d 2687 | . . . . . . . 8 |
25 | peano2b 7081 | . . . . . . . 8 | |
26 | 24, 25 | syl6bbr 278 | . . . . . . 7 |
27 | 26 | notbid 308 | . . . . . 6 |
28 | 27 | biimpar 502 | . . . . 5 |
29 | ndmfv 6218 | . . . . 5 | |
30 | 28, 29 | syl 17 | . . . 4 |
31 | 23 | eleq2d 2687 | . . . . . . . 8 |
32 | 31 | notbid 308 | . . . . . . 7 |
33 | 32 | biimpar 502 | . . . . . 6 |
34 | ndmfv 6218 | . . . . . 6 | |
35 | 33, 34 | syl 17 | . . . . 5 |
36 | 35 | unieqd 4446 | . . . 4 |
37 | 20, 30, 36 | 3eqtr4a 2682 | . . 3 |
38 | 18, 37 | pm2.61dan 832 | . 2 |
39 | 0fv 6227 | . . . . 5 | |
40 | 39 | unieqi 4445 | . . . 4 |
41 | 0fv 6227 | . . . 4 | |
42 | 19, 40, 41 | 3eqtr4ri 2655 | . . 3 |
43 | fvprc 6185 | . . . 4 | |
44 | 43 | fveq1d 6193 | . . 3 |
45 | 43 | fveq1d 6193 | . . . 4 |
46 | 45 | unieqd 4446 | . . 3 |
47 | 42, 44, 46 | 3eqtr4a 2682 | . 2 |
48 | 38, 47 | pm2.61i 176 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wa 384 wceq 1483 wcel 1990 cvv 3200 c0 3915 cuni 4436 cmpt 4729 cdm 5114 cres 5116 csuc 5725 wfn 5883 cfv 5888 com 7065 crdg 7505 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-inf2 8538 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-om 7066 df-wrecs 7407 df-recs 7468 df-rdg 7506 |
This theorem is referenced by: itunitc1 9242 itunitc 9243 ituniiun 9244 |
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