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| Description: An inference from three chained equalities. |
| Ref | Expression |
|---|---|
| 3eqtr4.1 |
|
| 3eqtr4.2 |
|
| 3eqtr4.3 |
|
| Ref | Expression |
|---|---|
| 3eqtr4 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3eqtr4.2 |
. 2
| |
| 2 | 3eqtr4.1 |
. . 3
| |
| 3 | 3eqtr4.3 |
. . 3
| |
| 4 | 2, 3 | eqtr4 1498 |
. 2
|
| 5 | 1, 4 | eqtr 1495 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: rabswap 1771 rabbii 1805 cbvrab 1910 un23 2189 un4 2190 in23 2225 in4 2226 indir 2253 undir 2254 unrab 2270 inrab 2271 inrab2 2272 difrab 2273 dfnul3 2283 difdifdir 2346 prcom 2447 pwpw0 2469 pwsn 2500 pwsnALT 2501 int0 2547 dfiin2 2588 cbviun 2589 iunun 2613 cbvopab 2672 cbvopab1 2674 cbvopab1s 2675 cbvopab2v 2677 unopab 2679 uniuni 2880 dfom2 3133 xpundi 3225 xpundir 3226 cnvco 3300 dm0 3323 dmsn0 3324 dmsnsn0 3325 dmi 3326 resundi 3378 resundir 3379 rescom 3384 resima 3391 imadmrn 3414 rnun 3457 imaun 3460 rescnvcnv 3493 imacnvcnv 3495 resdmres 3497 imadmres 3498 co01 3509 zfrep6 3614 tfrlem10 3920 tz7.44-2 3929 tz7.44-3 3930 rdglem2 3938 frfnom 3951 dfoprab2 3991 cbvoprab12 3998 cbvoprab3v 4000 resoprab 4009 caopr32 4060 caopr31 4062 caopr4 4064 caoprlem2 4069 fo1st 4091 fo2nd 4092 foprab2 4119 dfec2 4264 snec 4296 map0e 4342 sbthlem6 4452 unfilem1 4548 abfii5OLD 4565 ranksn 4689 rankelun 4707 numthlem 4783 alephcard 4867 xp2cda 4928 dmaddpi 5018 dmmulpi 5019 addasspq 5063 genpdm 5105 prlem936 5155 m1p1sr 5201 m1m1sr 5202 mulgt0sr 5214 axi2m1 5285 mulneg1 5445 divdir 5747 divdiv23 5793 3p3e6 6008 4p3e7 6010 4p4e8 6011 5p3e8 6013 5p4e9 6014 5p5e10 6015 6p3e9 6017 6p4e10 6018 7p3e10 6020 seq1res 6327 seq1shftid 6356 sqdiv 6618 sqreci 6619 binom2 6644 sqr0 6672 sqrlem16 6688 crmul 6740 cjcj 6778 readd 6784 imadd 6785 cjadd 6788 cjmul 6789 cjmulrcl 6791 reneg 6794 imneg 6796 cjneg 6797 addcj 6798 cji 6827 absmul 6847 absi 6878 faclbnd4lem1 6948 bcpasc2 6967 cbvsum 6986 ser1const 7171 geoser 7234 geolim1i 7238 eirrlem3 7391 eirrlem5 7393 efsep 7396 efcnlem2 7420 sinadd 7451 cosadd 7452 cos2tOLD 7464 bafval 8223 0vfval 8225 vsfval 8254 cnnvba 8309 cnnvm 8313 ipasslem10 8499 ip2dii 8504 siilem1 8511 efghgrpilem 8719 pilog 8768 h2hcau 8849 h2hlm 8850 hvsubass 8922 hvsub23 8923 hvsubsub4 8926 hvnegdi 8929 his35 8955 normlem3 8978 normlem8 8983 norm-iii 9006 norm3dif 9014 normpar 9021 normpar2 9023 polid2 9024 hhssims 9145 occllem1 9173 projlem3 9188 chjass 9409 chj4 9446 h1de2 9476 spanunsn 9502 fh3 9566 fh4 9567 qlax4 9571 qlaxr3 9577 3oalem5 9611 pjadj 9618 pjsub 9623 pjcj 9629 pjrn 9647 hoadd23 9704 dfbdop2 9786 cnvadj 9816 hhlno 9826 bra0 9874 nmopneg 9889 lnopunilem1 9935 lnophmlem2 9942 branmfnt 10038 cnvtr 10638 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 963 ax-17 971 ax-4 973 ax-5o 975 ax-ext 1459 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-cleq 1469 |