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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 6513 | . 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 6487 |
| 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 3919 df-br 5100 df-opab 5162 df-rel 5632 df-cnv 5633 df-co 5634 df-fun 6495 |
| This theorem is referenced by: funopg 6527 funsng 6544 f1eq1 6726 f1ssf1 6807 fvn0ssdmfun 7021 funcnvuni 7876 fundmge2nop0 14429 funcnvs2 14840 funcnvs3 14841 funcnvs4 14842 shftfn 15000 isstruct2 17080 structfung 17085 strle1 17089 setsfun 17102 setsfun0 17103 monfval 17660 ismon 17661 monpropd 17665 isepi 17668 isfth 17844 estrres 18066 lubfun 18277 glbfun 18290 acsficl2d 18479 ebtwntg 29059 ecgrtg 29060 elntg 29061 uhgrspansubgrlem 29367 istrl 29772 ispth 29798 isspth 29799 dfpth2 29806 upgrwlkdvspth 29816 uhgrwkspthlem1 29830 uhgrwkspthlem2 29831 usgr2wlkspthlem1 29834 usgr2wlkspthlem2 29835 pthdlem1 29843 2spthd 30018 0spth 30205 3spthd 30255 trlsegvdeglem2 30300 trlsegvdeglem3 30301 ajfun 30939 fresf1o 32712 padct 32799 smatrcl 33955 esum2dlem 34251 omssubadd 34459 sitgf 34506 funen1cnv 35246 pthhashvtx 35324 satfv0fun 35567 satffunlem1 35603 satffunlem2 35604 satffun 35605 satefvfmla0 35614 satefvfmla1 35621 fperdvper 46230 ovnovollem1 46967 funressnmo 47359 dfateq12d 47439 afvres 47485 funressndmafv2rn 47536 afv2res 47552 upgrimpths 48222 fdivval 48852 idfth 49470 idsubc 49472 |
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