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| Description: An equality transitivity inference. |
| Ref | Expression |
|---|---|
| eqtr3.1 |
|
| eqtr3.2 |
|
| Ref | Expression |
|---|---|
| eqtr3 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqtr3.1 |
. . 3
| |
| 2 | 1 | eqcomi 1479 |
. 2
|
| 3 | eqtr3.2 |
. 2
| |
| 4 | 2, 3 | eqtr 1495 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: 3eqtrr 1500 3eqtr3 1503 3eqtr3r 1504 unundi 2191 unundir 2192 inindi 2227 inindir 2228 dfin4 2248 difun1 2263 dfrab2 2274 dif0 2335 undif1 2340 difdifdir 2346 intmin2 2557 univ 2909 orduniss2 3090 dmsnsnsn 3329 dmres 3380 rnresi 3418 rnresv 3491 resdmres 3497 coi2 3511 isarep2 3578 ssimaex 3768 fvsnun1 3795 tz7.44-2 3929 caopr31 4062 ecqs 4297 ecopoprtrn 4311 limensuci 4506 pssnn 4534 unir1 4667 rankbnd2 4704 zorn2lem4 4791 iundom 4812 alephsuc2 4881 distrpq 5067 halfpq 5082 addclprlem2 5119 mulgt0sr 5214 subid 5391 neg11 5406 negdi 5448 nneo 6197 dfuz 6202 uzrdgval 6302 seq00 6550 binom2 6644 binom2aOLD 6645 discrlem1 6656 nnesq 6662 sqrlem11 6683 sqr1 6716 cjmul 6789 abssub 6846 abs3lem 6901 abslem2i 6908 facnnt 6933 fac0 6934 faclbnd4lem1 6948 climuz0 7108 isumnn0nna 7208 isummulc1a 7214 fnsmnt 7226 0.999... 7246 dsupivthlem 7291 dfef2 7307 efcvg 7314 efaddlem6 7343 eirrlem2 7390 eirrlem3 7391 eflt 7406 efcnlem2 7420 sin0ALT 7445 efivalt 7447 sin01bndlem1 7467 sin01bndlem3 7469 cos2bnd 7475 sin4lt0 7481 acdc2lem2 7489 acdc5lem2 7492 unbenlem 7504 alephsuc3 7585 metres 7823 tgioo 7915 qdensere2 7916 ipval2 8357 ipdirilem 8488 ipasslem10 8499 sincos6thpi 8711 dfrelog 8756 pilog 8768 hisubcom 8970 normlem0 8975 normlem3 8978 normsub 9008 norm3dif 9014 norm3lem 9016 polid2 9024 projlem3 9188 projlem4 9189 pjthlem5 9223 chdmj1 9404 chjjdir 9447 spansn0 9464 pjoml2 9528 pjoml4 9530 cmbr3 9543 qlaxr3 9577 honpcan 9751 honpncan 9753 lnopunilem1 9935 lnophmlem2 9942 adjbdlnb 10017 pjbdln 10076 pjclem1 10123 pjclem3 10125 pjc 10128 cvmd 10251 atoml 10309 atabs2 10329 mddmdin0 10358 |
| 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 |