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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 6526 | . 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 1550 Fun wfun 6500 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-ext 2724 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-ex 1790 df-sb 2081 df-clab 2731 df-cleq 2744 df-clel 2827 df-ss 3912 df-br 5091 df-opab 5153 df-rel 5643 df-cnv 5644 df-co 5645 df-fun 6508 |
| This theorem is referenced by: funopg 6540 funsng 6557 f1eq1 6740 f1ssf1 6824 fvn0ssdmfun 7040 funcnvuni 7898 fundmge2nop0 14501 funcnvs2 14912 funcnvs3 14913 funcnvs4 14914 shftfn 15072 isstruct2 17157 structfung 17162 strle1 17166 setsfun 17179 setsfun0 17180 monfval 17737 ismon 17738 monpropd 17742 isepi 17745 isfth 17921 estrres 18143 lubfun 18354 glbfun 18367 acsficl2d 18556 ebtwntg 29118 ecgrtg 29119 elntg 29120 uhgrspansubgrlem 29426 istrl 29830 ispth 29856 isspth 29857 dfpth2 29864 upgrwlkdvspth 29874 uhgrwkspthlem1 29888 uhgrwkspthlem2 29889 usgr2wlkspthlem1 29892 usgr2wlkspthlem2 29893 pthdlem1 29901 2spthd 30076 0spth 30263 3spthd 30313 trlsegvdeglem2 30358 trlsegvdeglem3 30359 ajfun 30998 fresf1o 32772 padct 32859 smatrcl 34037 esum2dlem 34333 omssubadd 34541 sitgf 34588 funen1cnv 35329 pthhashvtx 35416 satfv0fun 35659 satffunlem1 35695 satffunlem2 35696 satffun 35697 satefvfmla0 35706 satefvfmla1 35713 fperdvper 46431 ovnovollem1 47168 funressnmo 47578 dfateq12d 47658 afvres 47704 funressndmafv2rn 47755 afv2res 47771 upgrimpths 48469 fdivval 49099 idfth 49717 idsubc 49719 |
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