Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > 0fv | Structured version Visualization version Unicode version |
Description: Function value of the empty set. (Contributed by Stefan O'Rear, 26-Nov-2014.) |
Ref | Expression |
---|---|
0fv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | noel 3919 | . . 3 | |
2 | dm0 5339 | . . . 4 | |
3 | 2 | eleq2i 2693 | . . 3 |
4 | 1, 3 | mtbir 313 | . 2 |
5 | ndmfv 6218 | . 2 | |
6 | 4, 5 | ax-mp 5 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wceq 1483 wcel 1990 c0 3915 cdm 5114 cfv 5888 |
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-nul 4789 ax-pow 4843 |
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-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-dm 5124 df-iota 5851 df-fv 5896 |
This theorem is referenced by: fv2prc 6228 csbfv12 6231 0ov 6682 csbov123 6687 csbov 6688 elovmpt3imp 6890 bropopvvv 7255 bropfvvvvlem 7256 itunisuc 9241 itunitc1 9242 str0 15911 ressbas 15930 cntrval 17752 cntzval 17754 cntzrcl 17760 sralem 19177 srasca 19181 sravsca 19182 sraip 19183 rlmval 19191 opsrle 19475 opsrbaslem 19477 opsrbaslemOLD 19478 mpfrcl 19518 evlval 19524 psr1val 19556 vr1val 19562 chrval 19873 ocvval 20011 elocv 20012 iscnp2 21043 resvsca 29830 mrsubfval 31405 msubfval 31421 poimirlem28 33437 0cnv 39974 |
Copyright terms: Public domain | W3C validator |