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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 6026 | . 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 6017 |
| 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 6020 |
| This theorem is referenced by: oveq123i 6031 1lt2nq 7625 halfnqq 7629 caucvgprprlemnbj 7912 caucvgprprlemaddq 7927 m1p1sr 7979 m1m1sr 7980 axi2m1 8094 negdii 8462 3t3e9 9300 8th4div3 9362 halfpm6th 9363 numma 9653 decmul10add 9678 4t3lem 9706 9t11e99 9739 halfthird 9752 5recm6rec 9753 fz0to3un2pr 10357 sqdivapi 10884 sq4e2t8 10898 i4 10903 binom2i 10909 facp1 10991 fac2 10992 fac3 10993 fac4 10994 4bc2eq6 11035 cji 11462 fsumadd 11966 fsumsplitf 11968 fsumsplitsnun 11979 0.999... 12081 fprodmul 12151 fprodsplitf 12192 ef01bndlem 12316 cos2bnd 12320 3dvds2dec 12426 flodddiv4 12496 nn0gcdsq 12771 pythagtriplem16 12851 4sqlem19 12981 dec5nprm 12986 dec2nprm 12987 numexp2x 12997 decsplit 13001 karatsuba 13002 2exp5 13004 2exp11 13008 2exp16 13009 ecqusaddd 13824 isrhm 14171 cnmpt2res 15020 txmetcnp 15241 dveflem 15449 efhalfpi 15522 efipi 15524 sin2pi 15526 ef2pi 15528 sincosq3sgn 15551 sincosq4sgn 15552 sinq34lt0t 15554 sincos4thpi 15563 tan4thpi 15564 sincos6thpi 15565 sincos3rdpi 15566 pigt3 15567 1sgm2ppw 15718 lgsdi 15765 lgsquadlem1 15805 2lgsoddprmlem3c 15837 2lgsoddprmlem3d 15838 ex-exp 16323 ex-fac 16324 ex-bc 16325 |
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