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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 6369 | . 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 1533 Fun wfun 6343 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-in 3942 df-ss 3951 df-br 5059 df-opab 5121 df-rel 5556 df-cnv 5557 df-co 5558 df-fun 6351 |
This theorem is referenced by: funopg 6383 funsng 6399 f1eq1 6564 f1ssf1 6640 fvn0ssdmfun 6836 funcnvuni 7630 fundmge2nop0 13844 funcnvs2 14269 funcnvs3 14270 funcnvs4 14271 shftfn 14426 isstruct2 16487 structfung 16492 setsfun 16512 setsfun0 16513 strle1 16586 monfval 16996 ismon 16997 monpropd 17001 isepi 17004 isfth 17178 estrres 17383 lubfun 17584 glbfun 17597 acsficl2d 17780 frlmphl 20919 ebtwntg 26762 ecgrtg 26763 elntg 26764 uhgrspansubgrlem 27066 istrl 27472 ispth 27498 isspth 27499 upgrwlkdvspth 27514 uhgrwkspthlem1 27528 uhgrwkspthlem2 27529 usgr2wlkspthlem1 27532 usgr2wlkspthlem2 27533 pthdlem1 27541 2spthd 27714 0spth 27899 3spthd 27949 trlsegvdeglem2 27994 trlsegvdeglem3 27995 ajfun 28631 fresf1o 30370 padct 30449 smatrcl 31056 esum2dlem 31346 omssubadd 31553 sitgf 31600 funen1cnv 32352 pthhashvtx 32369 satfv0fun 32613 satffunlem1 32649 satffunlem2 32650 satffun 32651 satefvfmla0 32660 satefvfmla1 32667 fperdvper 42196 ovnovollem1 42932 funressnmo 43275 dfateq12d 43319 afvres 43365 funressndmafv2rn 43416 afv2res 43432 fdivval 44593 |
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