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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 1490 |
. 2
|
| 5 | 1, 4 | eqtr 1487 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: rabswap 1763 rabbii 1796 cbvrab 1901 un23 2179 un4 2180 in23 2215 in4 2216 indir 2243 undir 2244 unrab 2260 inrab 2261 inrab2 2262 difrab 2263 dfnul3 2273 difdifdir 2336 prcom 2437 pwpw0 2460 pwsn 2491 int0 2537 dfiin2 2578 cbviun 2579 iunun 2603 cbvopab 2662 cbvopab1 2664 cbvopab1s 2665 cbvopab2v 2667 unopab 2669 uniuni 2870 dfom2 3123 xpundi 3215 xpundir 3216 cnvco 3289 dm0 3312 dmsn0 3313 dmsnsn0 3314 dmi 3315 resundi 3362 resundir 3363 rescom 3368 resima 3375 imadmrn 3398 rnun 3443 imaun 3446 rescnvcnv 3479 imacnvcnv 3481 resdmres 3483 imadmres 3484 co01 3495 zfrep6 3600 tfrlem10 3905 tz7.44-2 3914 tz7.44-3 3915 rdglem2 3923 frfnom 3936 dfoprab2 3976 cbvoprab12 3983 cbvoprab3v 3985 resoprab 3994 caopr32 4046 caopr31 4048 caopr4 4050 caoprlem2 4055 fo1st 4075 fo2nd 4076 foprab2 4103 dfec2 4248 snec 4280 map0e 4326 sbthlem6 4432 unfilem1 4524 abfii5 4539 ranksn 4661 rankelun 4679 numthlem 4755 alephcard 4839 xp2cda 4900 dmaddpi 4990 dmmulpi 4991 addasspq 5035 genpdm 5077 prlem936 5127 m1p1sr 5173 m1m1sr 5174 mulgt0sr 5186 axi2m1 5257 mulneg1 5417 divdir 5710 divdiv23 5749 3p3e6 5955 4p3e7 5957 4p4e8 5958 5p3e8 5960 5p4e9 5961 5p5e10 5962 6p3e9 5964 6p4e10 5965 7p3e10 5967 seq1res 6264 seq1shftid 6293 sqdiv 6548 sqreci 6549 binom2 6575 sqr0 6602 sqrlem16 6618 crmul 6671 cjcj 6713 readd 6719 imadd 6720 cjadd 6723 cjmul 6724 cjmulrcl 6726 reneg 6729 imneg 6731 cjneg 6732 addcj 6733 cji 6762 absmul 6782 absi 6815 faclbnd4lem1 6885 bcpasc2 6905 cbvsum 6924 ser1const 7107 geoser 7169 geolim1i 7173 eirrlem3 7332 eirrlem5 7334 efsep 7337 efcnlem2 7360 sinadd 7393 cosadd 7394 cos2tOLD 7406 bafval 8161 0vfval 8163 vsfval 8194 cnnvba 8247 cnnvm 8251 ipasslem10 8430 ip2dii 8435 siilem1 8442 efghgrpilem 8634 pilog 8690 h2hcau 8788 h2hlm 8789 hvsubass 8843 hvsub23 8844 hvsubsub4 8847 hvnegdi 8850 his35 8876 normlem3 8899 normlem8 8904 norm-iii 8927 norm3dif 8935 normpar 8942 normpar2 8944 polid2 8945 occllem1 9089 projlem3 9104 chjass 9324 chj4 9361 h1de2 9391 spanunsn 9419 fh3 9483 fh4 9484 qlax4 9488 qlaxr3 9494 3oalem5 9528 pjadj 9535 pjsub 9540 pjcj 9546 pjrn 9564 hoadd23 9621 dfbdop2 9703 cnvadj 9733 hhlno 9743 bra0 9790 nmopneg 9805 lnopunilem1 9850 lnophmlem2 9857 branmfnt 9951 cnvtr 10482 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 960 ax-17 968 ax-4 970 ax-5o 972 ax-ext 1452 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-cleq 1462 |