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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 6557 | . 2 ⊢ (𝐴 = 𝐵 → (Fun 𝐴 ↔ Fun 𝐵)) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → (Fun 𝐴 ↔ Fun 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 = wceq 1567 Fun wfun 6531 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-ss 3930 df-br 5114 df-opab 5178 df-rel 5669 df-cnv 5670 df-co 5671 df-fun 6539 |
| This theorem is referenced by: funopg 6571 funsng 6588 f1eq1 6770 f1ssf1 6854 fvn0ssdmfun 7070 funcnvuni 7929 fundmge2nop0 14539 funcnvs2 14950 funcnvs3 14951 funcnvs4 14952 shftfn 15110 isstruct2 17209 structfung 17214 strle1 17218 setsfun 17231 setsfun0 17232 monfval 17789 ismon 17790 monpropd 17794 isepi 17797 isfth 17973 estrres 18195 lubfun 18406 glbfun 18419 acsficl2d 18608 ebtwntg 29273 ecgrtg 29274 elntg 29275 uhgrspansubgrlem 29581 istrl 29985 ispth 30011 isspth 30012 dfpth2 30019 upgrwlkdvspth 30029 uhgrwkspthlem1 30043 uhgrwkspthlem2 30044 usgr2wlkspthlem1 30047 usgr2wlkspthlem2 30048 pthdlem1 30056 2spthd 30231 0spth 30418 3spthd 30468 trlsegvdeglem2 30513 trlsegvdeglem3 30514 ajfun 31153 fresf1o 32917 padct 33004 smatrcl 34131 esum2dlem 34427 omssubadd 34635 sitgf 34682 funen1cnv 35420 pthhashvtx 35553 satfv0fun 35796 satffunlem1 35832 satffunlem2 35833 satffun 35834 satefvfmla0 35843 satefvfmla1 35850 fperdvper 46559 ovnovollem1 47296 funressnmo 47706 dfateq12d 47786 afvres 47832 funressndmafv2rn 47883 afv2res 47899 upgrimpths 48597 fdivval 49238 idfth 49855 idsubc 49857 |
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