Mathbox for Scott Fenton |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > dfbigcup2 | Structured version Visualization version Unicode version |
Description: using maps-to notation. (Contributed by Scott Fenton, 16-Apr-2012.) |
Ref | Expression |
---|---|
dfbigcup2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relbigcup 32004 | . 2 | |
2 | mptrel 5248 | . 2 | |
3 | eqcom 2629 | . . 3 | |
4 | vex 3203 | . . . 4 | |
5 | 4 | brbigcup 32005 | . . 3 |
6 | vex 3203 | . . . 4 | |
7 | eleq1 2689 | . . . . . 6 | |
8 | unieq 4444 | . . . . . . 7 | |
9 | 8 | eqeq2d 2632 | . . . . . 6 |
10 | 7, 9 | anbi12d 747 | . . . . 5 |
11 | 6 | biantrur 527 | . . . . 5 |
12 | 10, 11 | syl6bbr 278 | . . . 4 |
13 | eqeq1 2626 | . . . 4 | |
14 | df-mpt 4730 | . . . 4 | |
15 | 6, 4, 12, 13, 14 | brab 4998 | . . 3 |
16 | 3, 5, 15 | 3bitr4i 292 | . 2 |
17 | 1, 2, 16 | eqbrriv 5215 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wa 384 wceq 1483 wcel 1990 cvv 3200 cuni 4436 class class class wbr 4653 cmpt 4729 cbigcup 31941 |
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-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 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-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-symdif 3844 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-eprel 5029 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fo 5894 df-fv 5896 df-1st 7168 df-2nd 7169 df-txp 31961 df-bigcup 31965 |
This theorem is referenced by: fobigcup 32007 |
Copyright terms: Public domain | W3C validator |