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Related theorems GIF version |
| Description: A chained equality inference, useful for converting to definitions. |
| 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.1 | . . 3 ⊢ (φ → A = B) | |
| 2 | 3eqtr4g.2 | . . 3 ⊢ C = A | |
| 3 | 1, 2 | syl5eq 1522 | . 2 ⊢ (φ → C = B) |
| 4 | 3eqtr4g.3 | . 2 ⊢ D = B | |
| 5 | 3, 4 | syl6eqr 1528 | 1 ⊢ (φ → C = D) |
| Colors of variables: wff set class |
| Syntax hints: → wi 3 = wceq 958 |
| This theorem is referenced by: rabbidv 1809 rabeqf 1811 csbeq1 2006 csbcog 2010 difeq1 2156 difeq2 2157 uneq2 2181 ineq2 2214 ifeq1 2368 ifeq2 2369 pweq 2407 sneq 2421 rabsn 2449 preq1 2452 preq2 2453 prprc1 2456 opeq1 2491 opeq2 2492 opprc2 2503 unieq 2514 inteq 2540 iineq1 2580 iineq2 2583 dfiun2g 2590 opabbid 2674 suceq 3040 xpeq1 3206 xpeq2 3207 coeq1 3287 coeq2 3288 dmsnop 3334 rneq 3345 reseq1 3374 reseq2 3375 imaeq1 3407 imaeq2 3408 cores2 3513 fveq1 3729 fveq2 3730 fvres 3740 rdgeq1 3940 rdgeq2 3941 abianfplem 3967 opreq 3973 opreq1 3974 opreq2 3975 oprprc2 3991 oprabbid 4001 oprvalres 4039 oarec 4202 eceq1 4283 eceq2 4284 qseq1 4294 qseq2 4295 ecopoprtrn 4317 ixpeq1 4359 supeq1 4584 inf3lemc 4620 r1lim 4663 karden 4736 aceq6a 4751 zorn2lem1 4798 zorn2lem7 4804 zorn2 4806 cardiun 4870 alephlim 4875 addpiord 5024 mulpiord 5025 addcmpblnq 5064 ordpipq 5068 mulidpq 5081 ltsrpr 5198 00sr 5220 recexsrlem 5224 mulgt0sr 5226 addcnsrec 5275 mulcnsrec 5276 negeq 5371 eqneg 5806 supxrre 6085 ser1add2 6339 ser1add 6340 iooval2t 6368 icoshftf1olem 6411 sumeq1 6982 sumeq2 6985 fsump1f 7011 ser0mulc 7059 ser1mulc 7060 isumnn0nn 7207 isumnn0nna 7208 isummulc1a 7214 fsum0diag2 7259 efcltlem2 7305 acdc2lem2 7490 acdc5lem2 7493 cnmetdval 7899 imsdval 8313 avril1 8779 bcseq 8981 normpyth 9004 occllem5 9172 pjthlem6 9219 pjmvalt 9233 cm0t 9547 fh1t 9556 pjcj 9624 pjsdi2 10080 pjclem3 10120 pjc 10123 golem1 10193 ee7.2a 10420 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-gen 965 ax-17 973 ax-4 975 ax-5o 977 ax-ext 1462 |
| This theorem depends on definitions: df-bi 147 df-an 225 df-cleq 1472 |