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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 6543 | . 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 1562 Fun wfun 6517 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-ext 2736 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-ex 1802 df-sb 2093 df-clab 2743 df-cleq 2756 df-clel 2839 df-ss 3923 df-br 5103 df-opab 5165 df-rel 5656 df-cnv 5657 df-co 5658 df-fun 6525 |
| This theorem is referenced by: funopg 6557 funsng 6574 f1eq1 6757 f1ssf1 6841 fvn0ssdmfun 7057 funcnvuni 7915 fundmge2nop0 14517 funcnvs2 14928 funcnvs3 14929 funcnvs4 14930 shftfn 15088 isstruct2 17187 structfung 17192 strle1 17196 setsfun 17209 setsfun0 17210 monfval 17767 ismon 17768 monpropd 17772 isepi 17775 isfth 17951 estrres 18173 lubfun 18384 glbfun 18397 acsficl2d 18586 ebtwntg 29185 ecgrtg 29186 elntg 29187 uhgrspansubgrlem 29493 istrl 29897 ispth 29923 isspth 29924 dfpth2 29931 upgrwlkdvspth 29941 uhgrwkspthlem1 29955 uhgrwkspthlem2 29956 usgr2wlkspthlem1 29959 usgr2wlkspthlem2 29960 pthdlem1 29968 2spthd 30143 0spth 30330 3spthd 30380 trlsegvdeglem2 30425 trlsegvdeglem3 30426 ajfun 31065 fresf1o 32835 padct 32922 smatrcl 34095 esum2dlem 34391 omssubadd 34599 sitgf 34646 funen1cnv 35384 pthhashvtx 35483 satfv0fun 35726 satffunlem1 35762 satffunlem2 35763 satffun 35764 satefvfmla0 35773 satefvfmla1 35780 fperdvper 46498 ovnovollem1 47235 funressnmo 47645 dfateq12d 47725 afvres 47771 funressndmafv2rn 47822 afv2res 47838 upgrimpths 48536 fdivval 49166 idfth 49784 idsubc 49786 |
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