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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 6509 | . 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 208 = wceq 1548 Fun wfun 6483 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-ext 2713 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-ex 1788 df-sb 2075 df-clab 2720 df-cleq 2733 df-clel 2816 df-ss 3902 df-br 5076 df-opab 5138 df-rel 5628 df-cnv 5629 df-co 5630 df-fun 6491 |
| This theorem is referenced by: funopg 6523 funsng 6540 f1eq1 6722 f1ssf1 6803 fvn0ssdmfun 7019 funcnvuni 7876 fundmge2nop0 14459 funcnvs2 14870 funcnvs3 14871 funcnvs4 14872 shftfn 15030 isstruct2 17114 structfung 17119 strle1 17123 setsfun 17136 setsfun0 17137 monfval 17694 ismon 17695 monpropd 17699 isepi 17702 isfth 17878 estrres 18100 lubfun 18311 glbfun 18324 acsficl2d 18513 ebtwntg 29073 ecgrtg 29074 elntg 29075 uhgrspansubgrlem 29381 istrl 29785 ispth 29811 isspth 29812 dfpth2 29819 upgrwlkdvspth 29829 uhgrwkspthlem1 29843 uhgrwkspthlem2 29844 usgr2wlkspthlem1 29847 usgr2wlkspthlem2 29848 pthdlem1 29856 2spthd 30031 0spth 30218 3spthd 30268 trlsegvdeglem2 30313 trlsegvdeglem3 30314 ajfun 30953 fresf1o 32727 padct 32814 smatrcl 33992 esum2dlem 34288 omssubadd 34496 sitgf 34543 funen1cnv 35284 pthhashvtx 35371 satfv0fun 35614 satffunlem1 35650 satffunlem2 35651 satffun 35652 satefvfmla0 35661 satefvfmla1 35668 fperdvper 46376 ovnovollem1 47113 funressnmo 47523 dfateq12d 47603 afvres 47649 funressndmafv2rn 47700 afv2res 47716 upgrimpths 48414 fdivval 49044 idfth 49662 idsubc 49664 |
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