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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 6667 | . 2 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 dom cdm 5656 Fn wfn 6556 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 df-fn 6564 |
| This theorem is used by: dmmpti 6708 dmmpo 8110 tfr2 8437 tz7.44-2 8446 rdgsuc 8463 tz7.48-2 8483 tz7.48-1 8484 tz7.48-3 8485 tz7.49 8486 brwitnlem 8546 om0x 8558 naddcllem 8716 naddov2 8719 naddasslem1 8735 naddasslem2 8736 elpmi 8897 elmapex 8899 pmresg 8929 pmsspw 8936 r1suc 9807 r1lim 9809 r1ord 9817 r1ord3 9819 onwf 9870 r1wf 9871 r1val3 9880 r1pw 9889 rankr1b 9911 alephcard 10179 alephnbtwn 10180 alephgeom 10191 dfac12lem2 10253 alephsing 10384 hsmexlem6 10539 zorn2lem4 10607 alephadd 10692 alephreg 10697 pwcfsdom 10698 r1limwun 10851 r1wunlim 10852 rankcf 10892 inatsk 10893 r1tskina 10897 dmaddpi 11005 dmmulpi 11006 seqexw 14190 hashkf 14506 bpolylem 16246 0rest 17632 firest 17635 homfeqbas 17902 cidpropd 17916 2oppchomf 17930 fucbas 18170 fuchom 18171 xpccofval 18388 oppchofcl 18466 oyoncl 18476 ex-chn2 18844 mulgfval 19311 gicer 19524 psgneldm 19750 psgneldm2 19751 psgnval 19754 ricrel 20777 psgnghm 21919 psgnghm2 21920 cldrcl 23377 iscldtop 23446 restrcl 23508 ssrest 23527 resstopn 23537 hmpher 24136 nghmfval 25074 isnghm 25075 bdaydm 28168 newval 28254 negsproplem2 28448 onrankid 35824 rankfo 35830 acwer1prclem 35864 acwer1prc 35865 j0ltaleph 36021 jltaleph 36039 fnlfvk30 36040 fnlfvk3n0 36041 cvmtop1 36205 cvmtop2 36206 imageval 36883 rankeq1o 37123 hfninf 37126 filnetlem4 37360 ismrc 43916 dnnumch3lem 44257 dnnumch3 44258 aomclem4 44263 grur1cld 45433 gricrel 49232 grlicrel 49319 fonex 50193 cicrcl2 50372 cic1st2nd 50376 oppfrcl 50459 eloppf 50464 initopropdlemlem 50576 initopropd 50580 termopropd 50581 zeroopropd 50582 reldmxpc 50583 reldmlan2 51015 reldmran2 51016 lanrcl 51019 ranrcl 51020 |
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