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Related theorems GIF version |
| Description: An equality transitivity deduction. |
| Ref | Expression |
|---|---|
| sylan9eq.1 | ⊢ (φ → A = B) |
| sylan9eq.2 | ⊢ (ψ → B = C) |
| Ref | Expression |
|---|---|
| sylan9eq | ⊢ ((φ ∧ ψ) → A = C) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | sylan9eq.1 | . . 3 ⊢ (φ → A = B) | |
| 2 | 1 | adantr 306 | . 2 ⊢ ((φ ∧ ψ) → A = B) |
| 3 | sylan9eq.2 | . . 3 ⊢ (ψ → B = C) | |
| 4 | 3 | adantl 305 | . 2 ⊢ ((φ ∧ ψ) → B = C) |
| 5 | 2, 4 | eqtrd 1128 | 1 ⊢ ((φ ∧ ψ) → A = C) |
| Colors of variables: wff set class |
| Syntax hints: → wi 2 ∧ wa 196 = wceq 1091 |
| This theorem is referenced by: sylan9eqr 1145 uneq12 1613 ineq12 1640 ifeq12 1782 ifbi 1783 preq12b 1874 opeq12 1878 opthwiener 1914 coi2 2666 fun2ssres 2699 funimass1 2712 fndmu 2725 funssfv 2841 fvopabn 2873 fvopabgf 2874 fvopabnf 2875 rdgsucopab 2984 rdgsucopabn 2985 frsucopab 2992 abianfplem 2999 opreq12 3008 oprabval4g 3053 caoprmo 3084 oevn0 3123 oe0m1 3129 oa0r 3141 om1r 3145 oe1m 3147 map0 3268 sbthlem4 3352 sbthlem5 3353 mapenlem2 3385 mapdom2 3389 mapxpen 3390 xpmapenlem2 3392 xpmapenlem4 3394 xpmapenlem5 3395 mapunen 3397 phplem4 3406 phplem5 3407 addclprlem2 3913 mulclprlem 3915 reclem3pr 3952 mulcmpblnrlem 3976 supsrlem2 4020 addcnsr 4047 mulcnsr 4048 ax1id 4077 axnegex 4078 axcnre 4087 add20 4329 nndiv 4453 nn0addclt 4551 uzind 4603 om2uzran 4655 seqlem1 4662 abs00 4839 ruclem4 4888 infxpidmlem4 4936 infxpidmlem10 4942 hial0 5058 ocsh 5164 hosvalt 5489 hodvalt 5490 pjclem4 5653 pj3s 5659 strlem3a 5693 atcv0eq 5767 atcv1 5768 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-gen 677 ax-17 925 ax-ext 1074 |
| This theorem depends on definitions: df-bi 128 df-an 198 df-cleq 1097 |