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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 6375 | . 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 1537 Fun wfun 6349 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-in 3943 df-ss 3952 df-br 5067 df-opab 5129 df-rel 5562 df-cnv 5563 df-co 5564 df-fun 6357 |
This theorem is referenced by: funopg 6389 funsng 6405 f1eq1 6570 f1ssf1 6646 fvn0ssdmfun 6842 funcnvuni 7636 fundmge2nop0 13851 funcnvs2 14275 funcnvs3 14276 funcnvs4 14277 shftfn 14432 isstruct2 16493 structfung 16498 setsfun 16518 setsfun0 16519 strle1 16592 monfval 17002 ismon 17003 monpropd 17007 isepi 17010 isfth 17184 estrres 17389 lubfun 17590 glbfun 17603 acsficl2d 17786 frlmphl 20925 ebtwntg 26768 ecgrtg 26769 elntg 26770 uhgrspansubgrlem 27072 istrl 27478 ispth 27504 isspth 27505 upgrwlkdvspth 27520 uhgrwkspthlem1 27534 uhgrwkspthlem2 27535 usgr2wlkspthlem1 27538 usgr2wlkspthlem2 27539 pthdlem1 27547 2spthd 27720 0spth 27905 3spthd 27955 trlsegvdeglem2 28000 trlsegvdeglem3 28001 ajfun 28637 fresf1o 30376 padct 30455 smatrcl 31061 esum2dlem 31351 omssubadd 31558 sitgf 31605 funen1cnv 32357 pthhashvtx 32374 satfv0fun 32618 satffunlem1 32654 satffunlem2 32655 satffun 32656 satefvfmla0 32665 satefvfmla1 32672 fperdvper 42223 ovnovollem1 42958 funressnmo 43301 dfateq12d 43345 afvres 43391 funressndmafv2rn 43442 afv2res 43458 fdivval 44619 |
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