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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 7700 addcmpblnq 7734 addpipqqs 7737 mulpipq 7739 addcomnqg 7748 addcmpblnq0 7810 distrnq0 7826 recexprlem1ssl 8000 recexprlem1ssu 8001 1idsr 8135 addcnsrec 8209 mulcnsrec 8210 mulrid 8323 mulsub 8729 mulsub2 8730 muleqadd 9000 divmuldivap 9044 div2subap 9169 addltmul 9546 xnegdi 10280 fzsubel 10476 fzoval 10565 mulexp 11028 sqdivap 11053 crim 11637 readd 11648 remullem 11650 imadd 11656 cjadd 11663 cjreim 11683 sqrtmul 11815 sqabsadd 11835 sqabssub 11836 absmul 11849 abs2dif 11887 binom 12267 sinadd 12519 cosadd 12520 dvds2ln 12607 absmulgcd 12810 gcddiv 12812 bezoutr1 12826 lcmgcd 12872 nn0gcdsq 12996 crth 13022 pythagtriplem1 13064 pcqmul 13102 4sqlem4a 13190 4sqlem4 13191 idmhm 13825 resmhm 13843 eqgval 14075 idghm 14111 resghm 14112 prdsplusgval 14232 prdsmulrval 14234 isrhm 14514 rhmval 14529 xmetxp 15657 xmetxpbl 15658 txmetcnp 15668 divcnap 15715 rescncf 15731 relogoprlem 16020 lgsdir2 16250 clwwlknccat 16762 |
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