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Mirrors > Home > ILE Home > Th. List > eqtr3i | GIF version |
Description: An equality transitivity inference. (Contributed by NM, 6-May-1994.) |
Ref | Expression |
---|---|
eqtr3i.1 | ⊢ 𝐴 = 𝐵 |
eqtr3i.2 | ⊢ 𝐴 = 𝐶 |
Ref | Expression |
---|---|
eqtr3i | ⊢ 𝐵 = 𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqtr3i.1 | . . 3 ⊢ 𝐴 = 𝐵 | |
2 | 1 | eqcomi 2141 | . 2 ⊢ 𝐵 = 𝐴 |
3 | eqtr3i.2 | . 2 ⊢ 𝐴 = 𝐶 | |
4 | 2, 3 | eqtri 2158 | 1 ⊢ 𝐵 = 𝐶 |
Colors of variables: wff set class |
Syntax hints: = wceq 1331 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-gen 1425 ax-4 1487 ax-17 1506 ax-ext 2119 |
This theorem depends on definitions: df-bi 116 df-cleq 2130 |
This theorem is referenced by: 3eqtr3i 2166 3eqtr3ri 2167 unundi 3232 unundir 3233 inindi 3288 inindir 3289 difun1 3331 difabs 3335 notab 3341 dfrab2 3346 dif0 3428 difdifdirss 3442 tpidm13 3618 intmin2 3792 univ 4392 iunxpconst 4594 dmres 4835 opabresid 4867 rnresi 4891 cnvcnv 4986 rnresv 4993 cnvsn0 5002 cnvsn 5016 resdmres 5025 coi2 5050 coires1 5051 dfdm2 5068 isarep2 5205 ssimaex 5475 fnreseql 5523 fmptpr 5605 idref 5651 mpompt 5856 caov31 5953 xpexgALT 6024 cnvoprab 6124 frec0g 6287 unfiin 6807 xpfi 6811 endjusym 6974 halfnqq 7211 caucvgprlemm 7469 caucvgprprlemmu 7496 caucvgsr 7603 mvlladdi 7973 8th4div3 8932 nneoor 9146 nummac 9219 numadd 9221 numaddc 9222 nummul1c 9223 decbin0 9314 infrenegsupex 9382 iseqvalcbv 10223 m1expcl2 10308 facnn 10466 fac0 10467 4bc3eq4 10512 fihasheq0 10533 resqrexlemcalc1 10779 sqrt1 10811 sqrt4 10812 sqrt9 10813 infxrnegsupex 11025 isumss2 11155 geo2sum2 11277 geoihalfsum 11284 sin0 11425 efival 11428 ef01bndlem 11452 cos2bnd 11456 sin4lt0 11462 flodddiv4 11620 2prm 11797 znnen 11900 ennnfonelemhf1o 11915 setsslid 11998 metreslem 12538 retopbas 12681 sinhalfpilem 12861 sincos6thpi 12912 sincos3rdpi 12913 |
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