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| Mirrors > Home > MPE Home > Th. List > funeqd | Structured version Visualization version GIF version | ||
| Description: Equality deduction for the function predicate. (Contributed by NM, 23-Feb-2013.) |
| Ref | Expression |
|---|---|
| funeqd.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| Ref | Expression |
|---|---|
| funeqd | ⊢ (𝜑 → (Fun 𝐴 ↔ Fun 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | funeqd.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | funeq 6510 | . 2 ⊢ (𝐴 = 𝐵 → (Fun 𝐴 ↔ Fun 𝐵)) | |
| 3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → (Fun 𝐴 ↔ Fun 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1541 Fun wfun 6484 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2706 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1781 df-sb 2068 df-clab 2713 df-cleq 2726 df-clel 2809 df-ss 3916 df-br 5097 df-opab 5159 df-rel 5629 df-cnv 5630 df-co 5631 df-fun 6492 |
| This theorem is referenced by: funopg 6524 funsng 6541 f1eq1 6723 f1ssf1 6804 fvn0ssdmfun 7017 funcnvuni 7872 fundmge2nop0 14423 funcnvs2 14834 funcnvs3 14835 funcnvs4 14836 shftfn 14994 isstruct2 17074 structfung 17079 strle1 17083 setsfun 17096 setsfun0 17097 monfval 17654 ismon 17655 monpropd 17659 isepi 17662 isfth 17838 estrres 18060 lubfun 18271 glbfun 18284 acsficl2d 18473 ebtwntg 29004 ecgrtg 29005 elntg 29006 uhgrspansubgrlem 29312 istrl 29717 ispth 29743 isspth 29744 dfpth2 29751 upgrwlkdvspth 29761 uhgrwkspthlem1 29775 uhgrwkspthlem2 29776 usgr2wlkspthlem1 29779 usgr2wlkspthlem2 29780 pthdlem1 29788 2spthd 29963 0spth 30150 3spthd 30200 trlsegvdeglem2 30245 trlsegvdeglem3 30246 ajfun 30884 fresf1o 32658 padct 32746 smatrcl 33902 esum2dlem 34198 omssubadd 34406 sitgf 34453 funen1cnv 35193 pthhashvtx 35271 satfv0fun 35514 satffunlem1 35550 satffunlem2 35551 satffun 35552 satefvfmla0 35561 satefvfmla1 35568 fperdvper 46105 ovnovollem1 46842 funressnmo 47234 dfateq12d 47314 afvres 47360 funressndmafv2rn 47411 afv2res 47427 upgrimpths 48097 fdivval 48727 idfth 49345 idsubc 49347 |
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