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Mirrors > Home > ILE Home > Th. List > 3eqtr4g | GIF version |
Description: A chained equality inference, useful for converting to definitions. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
3eqtr4g.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
3eqtr4g.2 | ⊢ 𝐶 = 𝐴 |
3eqtr4g.3 | ⊢ 𝐷 = 𝐵 |
Ref | Expression |
---|---|
3eqtr4g | ⊢ (𝜑 → 𝐶 = 𝐷) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3eqtr4g.2 | . . 3 ⊢ 𝐶 = 𝐴 | |
2 | 3eqtr4g.1 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
3 | 1, 2 | syl5eq 2184 | . 2 ⊢ (𝜑 → 𝐶 = 𝐵) |
4 | 3eqtr4g.3 | . 2 ⊢ 𝐷 = 𝐵 | |
5 | 3, 4 | syl6eqr 2190 | 1 ⊢ (𝜑 → 𝐶 = 𝐷) |
Colors of variables: wff set class |
Syntax hints: → wi 4 = 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 2121 |
This theorem depends on definitions: df-bi 116 df-cleq 2132 |
This theorem is referenced by: rabbidva2 2673 rabeqf 2676 csbeq1 3006 csbeq2 3026 csbeq2d 3027 csbnestgf 3052 difeq1 3187 difeq2 3188 uneq2 3224 ineq2 3271 dfrab3ss 3354 ifeq1 3477 ifeq2 3478 ifbi 3492 pweq 3513 sneq 3538 csbsng 3584 rabsn 3590 preq1 3600 preq2 3601 tpeq1 3609 tpeq2 3610 tpeq3 3611 prprc1 3631 opeq1 3705 opeq2 3706 oteq1 3714 oteq2 3715 oteq3 3716 csbunig 3744 unieq 3745 inteq 3774 iineq1 3827 iineq2 3830 dfiin2g 3846 iinrabm 3875 iinin1m 3882 iinxprg 3887 opabbid 3993 mpteq12f 4008 suceq 4324 xpeq1 4553 xpeq2 4554 csbxpg 4620 csbdmg 4733 rneq 4766 reseq1 4813 reseq2 4814 csbresg 4822 resindm 4861 resmpt 4867 resmptf 4869 imaeq1 4876 imaeq2 4877 mptcnv 4941 csbrng 5000 dmpropg 5011 rnpropg 5018 cores 5042 cores2 5051 xpcom 5085 iotaeq 5096 iotabi 5097 fntpg 5179 funimaexg 5207 fveq1 5420 fveq2 5421 fvres 5445 csbfv12g 5457 fnimapr 5481 fndmin 5527 fprg 5603 fsnunfv 5621 fsnunres 5622 fliftf 5700 isoini2 5720 riotaeqdv 5731 riotabidv 5732 riotauni 5736 riotabidva 5746 snriota 5759 oveq 5780 oveq1 5781 oveq2 5782 oprabbid 5824 mpoeq123 5830 mpoeq123dva 5832 mpoeq3dva 5835 resmpo 5869 ovres 5910 f1ocnvd 5972 ofeq 5984 ofreq 5985 f1od2 6132 ovtposg 6156 recseq 6203 tfr2a 6218 rdgeq1 6268 rdgeq2 6269 freceq1 6289 freceq2 6290 eceq1 6464 eceq2 6466 qseq1 6477 qseq2 6478 uniqs 6487 ecinxp 6504 qsinxp 6505 erovlem 6521 ixpeq1 6603 supeq1 6873 supeq2 6876 supeq3 6877 supeq123d 6878 infeq1 6898 infeq2 6901 infeq3 6902 infeq123d 6903 infisoti 6919 djueq12 6924 addpiord 7124 mulpiord 7125 00sr 7577 negeq 7955 csbnegg 7960 negsubdi 8018 mulneg1 8157 deceq1 9186 deceq2 9187 xnegeq 9610 fseq1p1m1 9874 frec2uzsucd 10174 frec2uzrdg 10182 frecuzrdgsuc 10187 frecuzrdgg 10189 frecuzrdgsuctlem 10196 seqeq1 10221 seqeq2 10222 seqeq3 10223 seqvalcd 10232 seq3f1olemp 10275 hashprg 10554 shftdm 10594 resqrexlemfp1 10781 negfi 10999 sumeq1 11124 sumeq2 11128 zsumdc 11153 isumss2 11162 fsumsplitsnun 11188 isumclim3 11192 fisumcom2 11207 isumshft 11259 prodeq1f 11321 prodeq2w 11325 prodeq2 11326 ege2le3 11377 efgt1p2 11401 dfphi2 11896 sloteq 11964 setsslid 12009 metreslem 12549 comet 12668 cnmetdval 12698 |
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