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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 6059 | . 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 1398 (class class class)co 6050 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rex 2526 df-v 2815 df-un 3215 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-iota 5312 df-fv 5360 df-ov 6053 |
| This theorem is referenced by: oveq123i 6064 1lt2nq 7721 halfnqq 7725 caucvgprprlemnbj 8008 caucvgprprlemaddq 8023 m1p1sr 8075 m1m1sr 8076 axi2m1 8190 negdii 8557 3t3e9 9395 8th4div3 9457 halfpm6th 9458 numma 9752 decmul10add 9777 4t3lem 9805 9t11e99 9838 halfthird 9851 5recm6rec 9852 fz0to3un2pr 10457 sqdivapi 10985 sq4e2t8 10999 i4 11004 binom2i 11010 facp1 11092 fac2 11093 fac3 11094 fac4 11095 4bc2eq6 11137 cji 11587 fsumadd 12092 fsumsplitf 12094 fsumsplitsnun 12105 0.999... 12207 fprodmul 12277 fprodsplitf 12318 ef01bndlem 12442 cos2bnd 12446 3dvds2dec 12552 flodddiv4 12622 nn0gcdsq 12897 pythagtriplem16 12977 4sqlem19 13107 dec5nprm 13112 dec2nprm 13113 numexp2x 13123 decsplit 13127 karatsuba 13128 2exp5 13130 2exp11 13134 2exp16 13135 ballotfilem2 13142 ecqusaddd 13955 isrhm 14303 cnmpt2res 15162 txmetcnp 15383 dveflem 15591 efhalfpi 15664 efipi 15666 sin2pi 15668 ef2pi 15670 sincosq3sgn 15693 sincosq4sgn 15694 sinq34lt0t 15696 sincos4thpi 15705 tan4thpi 15706 sincos6thpi 15707 sincos3rdpi 15708 pigt3 15709 1sgm2ppw 15863 lgsdi 15910 lgsquadlem1 15950 2lgsoddprmlem3c 15982 2lgsoddprmlem3d 15983 ex-exp 16495 ex-fac 16496 ex-bc 16497 |
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