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Mirrors > Home > MPE Home > Th. List > fndmi | Structured version Visualization version GIF version |
Description: The domain of a function. (Contributed by Wolf Lammen, 1-Jun-2024.) |
Ref | Expression |
---|---|
fndmi.1 | ⊢ 𝐹 Fn 𝐴 |
Ref | Expression |
---|---|
fndmi | ⊢ dom 𝐹 = 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fndmi.1 | . 2 ⊢ 𝐹 Fn 𝐴 | |
2 | fndm 6459 | . 2 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ dom 𝐹 = 𝐴 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1543 dom cdm 5536 Fn wfn 6353 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 210 df-an 400 df-fn 6361 |
This theorem is referenced by: dmmpti 6500 dmmpo 7819 tfr2 8112 tz7.44-2 8121 rdgsuc 8138 tz7.48-2 8156 tz7.48-1 8157 tz7.48-3 8158 tz7.49 8159 brwitnlem 8212 om0x 8224 elpmi 8505 elmapex 8507 pmresg 8529 pmsspw 8536 r1suc 9351 r1ord 9361 r1ord3 9363 onwf 9411 r1val3 9419 r1pw 9426 rankr1b 9445 alephcard 9649 alephnbtwn 9650 alephgeom 9661 dfac12lem2 9723 alephsing 9855 hsmexlem6 10010 zorn2lem4 10078 alephadd 10156 alephreg 10161 pwcfsdom 10162 r1limwun 10315 r1wunlim 10316 rankcf 10356 inatsk 10357 r1tskina 10361 dmaddpi 10469 dmmulpi 10470 seqexw 13555 hashkf 13863 bpolylem 15573 0rest 16888 firest 16891 homfeqbas 17153 cidpropd 17167 2oppchomf 17182 fucbas 17422 fuchom 17423 fuchomOLD 17424 xpccofval 17643 oppchofcl 17722 oyoncl 17732 mulgfval 18444 gicer 18634 psgneldm 18849 psgneldm2 18850 psgnval 18853 psgnghm 20496 psgnghm2 20497 cldrcl 21877 iscldtop 21946 restrcl 22008 ssrest 22027 resstopn 22037 hmpher 22635 nghmfval 23574 isnghm 23575 cvmtop1 32889 cvmtop2 32890 naddcllem 33517 naddov2 33520 newval 33725 imageval 33918 filnetlem4 34256 ismrc 40167 dnnumch3lem 40515 dnnumch3 40516 aomclem4 40526 grur1cld 41464 |
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