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| Mirrors > Home > MPE Home > Th. List > Mathboxes > fnbigcup | Structured version Visualization version GIF version | ||
| Description: Bigcup is a function over the universal class. (Contributed by Scott Fenton, 11-Apr-2012.) |
| Ref | Expression |
|---|---|
| fnbigcup | ⊢ Bigcup Fn V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fobigcup 36111 | . 2 ⊢ Bigcup :V–onto→V | |
| 2 | fofn 6756 | . 2 ⊢ ( Bigcup :V–onto→V → Bigcup Fn V) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ Bigcup Fn V |
| Colors of variables: wff setvar class |
| Syntax hints: Vcvv 3442 Fn wfn 6495 –onto→wfo 6498 Bigcup cbigcup 36045 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-symdif 4207 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-eprel 5532 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-fo 6506 df-fv 6508 df-1st 7943 df-2nd 7944 df-txp 36065 df-bigcup 36069 |
| This theorem is referenced by: fvbigcup 36113 |
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