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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 6522 | . 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 1542 Fun wfun 6496 |
| 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-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-ss 3920 df-br 5101 df-opab 5163 df-rel 5641 df-cnv 5642 df-co 5643 df-fun 6504 |
| This theorem is referenced by: funopg 6536 funsng 6553 f1eq1 6735 f1ssf1 6816 fvn0ssdmfun 7030 funcnvuni 7886 fundmge2nop0 14439 funcnvs2 14850 funcnvs3 14851 funcnvs4 14852 shftfn 15010 isstruct2 17090 structfung 17095 strle1 17099 setsfun 17112 setsfun0 17113 monfval 17670 ismon 17671 monpropd 17675 isepi 17678 isfth 17854 estrres 18076 lubfun 18287 glbfun 18300 acsficl2d 18489 ebtwntg 29073 ecgrtg 29074 elntg 29075 uhgrspansubgrlem 29381 istrl 29786 ispth 29812 isspth 29813 dfpth2 29820 upgrwlkdvspth 29830 uhgrwkspthlem1 29844 uhgrwkspthlem2 29845 usgr2wlkspthlem1 29848 usgr2wlkspthlem2 29849 pthdlem1 29857 2spthd 30032 0spth 30219 3spthd 30269 trlsegvdeglem2 30314 trlsegvdeglem3 30315 ajfun 30954 fresf1o 32727 padct 32814 smatrcl 33980 esum2dlem 34276 omssubadd 34484 sitgf 34531 funen1cnv 35271 pthhashvtx 35350 satfv0fun 35593 satffunlem1 35629 satffunlem2 35630 satffun 35631 satefvfmla0 35640 satefvfmla1 35647 fperdvper 46306 ovnovollem1 47043 funressnmo 47435 dfateq12d 47515 afvres 47561 funressndmafv2rn 47612 afv2res 47628 upgrimpths 48298 fdivval 48928 idfth 49546 idsubc 49548 |
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