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| Mirrors > Home > ILE Home > Th. List > oveq12i | GIF version | ||
| Description: Equality inference for operation value. (Contributed by NM, 28-Feb-1995.) (Proof shortened by Andrew Salmon, 22-Oct-2011.) |
| Ref | Expression |
|---|---|
| oveq1i.1 | ⊢ 𝐴 = 𝐵 |
| oveq12i.2 | ⊢ 𝐶 = 𝐷 |
| Ref | Expression |
|---|---|
| oveq12i | ⊢ (𝐴𝐹𝐶) = (𝐵𝐹𝐷) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oveq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
| 2 | oveq12i.2 | . 2 ⊢ 𝐶 = 𝐷 | |
| 3 | oveq12 6016 | . 2 ⊢ ((𝐴 = 𝐵 ∧ 𝐶 = 𝐷) → (𝐴𝐹𝐶) = (𝐵𝐹𝐷)) | |
| 4 | 1, 2, 3 | mp2an 426 | 1 ⊢ (𝐴𝐹𝐶) = (𝐵𝐹𝐷) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1395 (class class class)co 6007 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-rex 2514 df-v 2801 df-un 3201 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-iota 5278 df-fv 5326 df-ov 6010 |
| This theorem is referenced by: oveq123i 6021 1lt2nq 7604 halfnqq 7608 caucvgprprlemnbj 7891 caucvgprprlemaddq 7906 m1p1sr 7958 m1m1sr 7959 axi2m1 8073 negdii 8441 3t3e9 9279 8th4div3 9341 halfpm6th 9342 numma 9632 decmul10add 9657 4t3lem 9685 9t11e99 9718 halfthird 9731 5recm6rec 9732 fz0to3un2pr 10331 sqdivapi 10857 sq4e2t8 10871 i4 10876 binom2i 10882 facp1 10964 fac2 10965 fac3 10966 fac4 10967 4bc2eq6 11008 cji 11429 fsumadd 11933 fsumsplitf 11935 fsumsplitsnun 11946 0.999... 12048 fprodmul 12118 fprodsplitf 12159 ef01bndlem 12283 cos2bnd 12287 3dvds2dec 12393 flodddiv4 12463 nn0gcdsq 12738 pythagtriplem16 12818 4sqlem19 12948 dec5nprm 12953 dec2nprm 12954 numexp2x 12964 decsplit 12968 karatsuba 12969 2exp5 12971 2exp11 12975 2exp16 12976 ecqusaddd 13791 isrhm 14138 cnmpt2res 14987 txmetcnp 15208 dveflem 15416 efhalfpi 15489 efipi 15491 sin2pi 15493 ef2pi 15495 sincosq3sgn 15518 sincosq4sgn 15519 sinq34lt0t 15521 sincos4thpi 15530 tan4thpi 15531 sincos6thpi 15532 sincos3rdpi 15533 pigt3 15534 1sgm2ppw 15685 lgsdi 15732 lgsquadlem1 15772 2lgsoddprmlem3c 15804 2lgsoddprmlem3d 15805 ex-exp 16174 ex-fac 16175 ex-bc 16176 |
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