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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 6514 | . 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 6488 |
| 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 3907 df-br 5087 df-opab 5149 df-rel 5633 df-cnv 5634 df-co 5635 df-fun 6496 |
| This theorem is referenced by: funopg 6528 funsng 6545 f1eq1 6727 f1ssf1 6808 fvn0ssdmfun 7022 funcnvuni 7878 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 29069 ecgrtg 29070 elntg 29071 uhgrspansubgrlem 29377 istrl 29782 ispth 29808 isspth 29809 dfpth2 29816 upgrwlkdvspth 29826 uhgrwkspthlem1 29840 uhgrwkspthlem2 29841 usgr2wlkspthlem1 29844 usgr2wlkspthlem2 29845 pthdlem1 29853 2spthd 30028 0spth 30215 3spthd 30265 trlsegvdeglem2 30310 trlsegvdeglem3 30311 ajfun 30950 fresf1o 32723 padct 32810 smatrcl 33960 esum2dlem 34256 omssubadd 34464 sitgf 34511 funen1cnv 35251 pthhashvtx 35330 satfv0fun 35573 satffunlem1 35609 satffunlem2 35610 satffun 35611 satefvfmla0 35620 satefvfmla1 35627 fperdvper 46369 ovnovollem1 47106 funressnmo 47510 dfateq12d 47590 afvres 47636 funressndmafv2rn 47687 afv2res 47703 upgrimpths 48401 fdivval 49031 idfth 49649 idsubc 49651 |
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