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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 6518 | . 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 6492 |
| 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 2708 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-ss 3906 df-br 5086 df-opab 5148 df-rel 5638 df-cnv 5639 df-co 5640 df-fun 6500 |
| This theorem is referenced by: funopg 6532 funsng 6549 f1eq1 6731 f1ssf1 6812 fvn0ssdmfun 7026 funcnvuni 7883 fundmge2nop0 14464 funcnvs2 14875 funcnvs3 14876 funcnvs4 14877 shftfn 15035 isstruct2 17119 structfung 17124 strle1 17128 setsfun 17141 setsfun0 17142 monfval 17699 ismon 17700 monpropd 17704 isepi 17707 isfth 17883 estrres 18105 lubfun 18316 glbfun 18329 acsficl2d 18518 ebtwntg 29051 ecgrtg 29052 elntg 29053 uhgrspansubgrlem 29359 istrl 29763 ispth 29789 isspth 29790 dfpth2 29797 upgrwlkdvspth 29807 uhgrwkspthlem1 29821 uhgrwkspthlem2 29822 usgr2wlkspthlem1 29825 usgr2wlkspthlem2 29826 pthdlem1 29834 2spthd 30009 0spth 30196 3spthd 30246 trlsegvdeglem2 30291 trlsegvdeglem3 30292 ajfun 30931 fresf1o 32704 padct 32791 smatrcl 33940 esum2dlem 34236 omssubadd 34444 sitgf 34491 funen1cnv 35231 pthhashvtx 35310 satfv0fun 35553 satffunlem1 35589 satffunlem2 35590 satffun 35591 satefvfmla0 35600 satefvfmla1 35607 fperdvper 46347 ovnovollem1 47084 funressnmo 47494 dfateq12d 47574 afvres 47620 funressndmafv2rn 47671 afv2res 47687 upgrimpths 48385 fdivval 49015 idfth 49633 idsubc 49635 |
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