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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 5966 | . 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 1373 (class class class)co 5957 |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-ext 2188 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-rex 2491 df-v 2775 df-un 3174 df-sn 3644 df-pr 3645 df-op 3647 df-uni 3857 df-br 4052 df-iota 5241 df-fv 5288 df-ov 5960 |
| This theorem is referenced by: oveq123i 5971 1lt2nq 7539 halfnqq 7543 caucvgprprlemnbj 7826 caucvgprprlemaddq 7841 m1p1sr 7893 m1m1sr 7894 axi2m1 8008 negdii 8376 3t3e9 9214 8th4div3 9276 halfpm6th 9277 numma 9567 decmul10add 9592 4t3lem 9620 9t11e99 9653 halfthird 9666 5recm6rec 9667 fz0to3un2pr 10265 sqdivapi 10790 sq4e2t8 10804 i4 10809 binom2i 10815 facp1 10897 fac2 10898 fac3 10899 fac4 10900 4bc2eq6 10941 cji 11288 fsumadd 11792 fsumsplitf 11794 fsumsplitsnun 11805 0.999... 11907 fprodmul 11977 fprodsplitf 12018 ef01bndlem 12142 cos2bnd 12146 3dvds2dec 12252 flodddiv4 12322 nn0gcdsq 12597 pythagtriplem16 12677 4sqlem19 12807 dec5nprm 12812 dec2nprm 12813 numexp2x 12823 decsplit 12827 karatsuba 12828 2exp5 12830 2exp11 12834 2exp16 12835 ecqusaddd 13649 isrhm 13995 cnmpt2res 14844 txmetcnp 15065 dveflem 15273 efhalfpi 15346 efipi 15348 sin2pi 15350 ef2pi 15352 sincosq3sgn 15375 sincosq4sgn 15376 sinq34lt0t 15378 sincos4thpi 15387 tan4thpi 15388 sincos6thpi 15389 sincos3rdpi 15390 pigt3 15391 1sgm2ppw 15542 lgsdi 15589 lgsquadlem1 15629 2lgsoddprmlem3c 15661 2lgsoddprmlem3d 15662 ex-exp 15802 ex-fac 15803 ex-bc 15804 |
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