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| Mirrors > Home > ILE Home > Th. List > oveqan12d | GIF version | ||
| Description: Equality deduction for operation value. (Contributed by NM, 10-Aug-1995.) |
| Ref | Expression |
|---|---|
| oveq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| opreqan12i.2 | ⊢ (𝜓 → 𝐶 = 𝐷) |
| Ref | Expression |
|---|---|
| oveqan12d | ⊢ ((𝜑 ∧ 𝜓) → (𝐴𝐹𝐶) = (𝐵𝐹𝐷)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | opreqan12i.2 | . 2 ⊢ (𝜓 → 𝐶 = 𝐷) | |
| 3 | oveq12 6094 | . 2 ⊢ ((𝐴 = 𝐵 ∧ 𝐶 = 𝐷) → (𝐴𝐹𝐶) = (𝐵𝐹𝐷)) | |
| 4 | 1, 2, 3 | syl2an 289 | 1 ⊢ ((𝜑 ∧ 𝜓) → (𝐴𝐹𝐶) = (𝐵𝐹𝐷)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 = wceq 1402 (class class class)co 6085 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-iota 5337 df-fv 5385 df-ov 6088 |
| This theorem is used by: oveqan12rd 6105 offval 6310 offval3 6367 ecovdi 6920 ecovidi 6921 distrpig 7701 addcmpblnq 7735 addpipqqs 7738 mulpipq 7740 addcomnqg 7749 addcmpblnq0 7811 distrnq0 7827 recexprlem1ssl 8001 recexprlem1ssu 8002 1idsr 8136 addcnsrec 8210 mulcnsrec 8211 mulrid 8324 mulsub 8730 mulsub2 8731 muleqadd 9001 divmuldivap 9045 div2subap 9170 addltmul 9547 xnegdi 10281 fzsubel 10477 fzoval 10566 mulexp 11030 sqdivap 11055 crim 11639 readd 11650 remullem 11652 imadd 11658 cjadd 11665 cjreim 11685 sqrtmul 11817 sqabsadd 11837 sqabssub 11838 absmul 11851 abs2dif 11889 binom 12270 sinadd 12522 cosadd 12523 dvds2ln 12610 absmulgcd 12813 gcddiv 12815 bezoutr1 12829 lcmgcd 12875 nn0gcdsq 12999 crth 13025 pythagtriplem1 13067 pcqmul 13105 4sqlem4a 13193 4sqlem4 13194 idmhm 13829 resmhm 13847 eqgval 14079 idghm 14115 resghm 14116 prdsplusgval 14267 prdsmulrval 14269 isrhm 14549 rhmval 14564 psrmulfval 15159 xmetxp 15699 xmetxpbl 15700 txmetcnp 15710 divcnap 15757 rescncf 15773 relogoprlem 16062 lgsdir2 16318 clwwlknccat 16830 |
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