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Mirrors > Home > MPE Home > Th. List > feq12d | Structured version Visualization version Unicode version |
Description: Equality deduction for functions. (Contributed by Paul Chapman, 22-Jun-2011.) |
Ref | Expression |
---|---|
feq12d.1 | |
feq12d.2 |
Ref | Expression |
---|---|
feq12d |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | feq12d.1 | . . 3 | |
2 | 1 | feq1d 6030 | . 2 |
3 | feq12d.2 | . . 3 | |
4 | 3 | feq2d 6031 | . 2 |
5 | 2, 4 | bitrd 268 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wceq 1483 wf 5884 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-br 4654 df-opab 4713 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-fun 5890 df-fn 5891 df-f 5892 |
This theorem is referenced by: feq123d 6034 fprg 6422 smoeq 7447 oif 8435 1fv 12458 catcisolem 16756 hofcl 16899 dmdprd 18397 dpjf 18456 pjf2 20058 mat1dimmul 20282 lmbr2 21063 lmff 21105 dfac14 21421 lmmbr2 23057 lmcau 23111 perfdvf 23667 dvnfre 23715 dvle 23770 dvfsumle 23784 dvfsumge 23785 dvmptrecl 23787 uhgr0e 25966 uhgrstrrepe 25973 incistruhgr 25974 upgr1e 26008 1hevtxdg1 26402 umgr2v2e 26421 iswlk 26506 0wlkons1 26982 resf1o 29505 ismeas 30262 omsmeas 30385 breprexplema 30708 mbfresfi 33456 sdclem1 33539 dfac21 37636 fnlimfvre 39906 climrescn 39980 fourierdlem74 40397 fourierdlem103 40426 fourierdlem104 40427 sge0iunmpt 40635 ismea 40668 isome 40708 sssmf 40947 smflimlem3 40981 smflimlem4 40982 isupwlk 41717 |
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