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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 6027 | . 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 1397 (class class class)co 6018 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rex 2516 df-v 2804 df-un 3204 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-iota 5286 df-fv 5334 df-ov 6021 |
| This theorem is referenced by: oveq123i 6032 1lt2nq 7626 halfnqq 7630 caucvgprprlemnbj 7913 caucvgprprlemaddq 7928 m1p1sr 7980 m1m1sr 7981 axi2m1 8095 negdii 8463 3t3e9 9301 8th4div3 9363 halfpm6th 9364 numma 9654 decmul10add 9679 4t3lem 9707 9t11e99 9740 halfthird 9753 5recm6rec 9754 fz0to3un2pr 10358 sqdivapi 10886 sq4e2t8 10900 i4 10905 binom2i 10911 facp1 10993 fac2 10994 fac3 10995 fac4 10996 4bc2eq6 11037 cji 11480 fsumadd 11985 fsumsplitf 11987 fsumsplitsnun 11998 0.999... 12100 fprodmul 12170 fprodsplitf 12211 ef01bndlem 12335 cos2bnd 12339 3dvds2dec 12445 flodddiv4 12515 nn0gcdsq 12790 pythagtriplem16 12870 4sqlem19 13000 dec5nprm 13005 dec2nprm 13006 numexp2x 13016 decsplit 13020 karatsuba 13021 2exp5 13023 2exp11 13027 2exp16 13028 ecqusaddd 13843 isrhm 14191 cnmpt2res 15040 txmetcnp 15261 dveflem 15469 efhalfpi 15542 efipi 15544 sin2pi 15546 ef2pi 15548 sincosq3sgn 15571 sincosq4sgn 15572 sinq34lt0t 15574 sincos4thpi 15583 tan4thpi 15584 sincos6thpi 15585 sincos3rdpi 15586 pigt3 15587 1sgm2ppw 15738 lgsdi 15785 lgsquadlem1 15825 2lgsoddprmlem3c 15857 2lgsoddprmlem3d 15858 ex-exp 16370 ex-fac 16371 ex-bc 16372 |
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