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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 6067 | . 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 6058 |
| 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 2216 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-rex 2528 df-v 2817 df-un 3218 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-iota 5317 df-fv 5365 df-ov 6061 |
| This theorem is referenced by: oveq123i 6072 1lt2nq 7737 halfnqq 7741 caucvgprprlemnbj 8024 caucvgprprlemaddq 8039 m1p1sr 8091 m1m1sr 8092 axi2m1 8206 negdii 8573 3t3e9 9412 8th4div3 9474 halfpm6th 9475 numma 9770 decmul10add 9795 4t3lem 9823 9t11e99 9856 halfthird 9869 5recm6rec 9870 fz0to3un2pr 10479 sqdivapi 11009 sq4e2t8 11023 i4 11028 binom2i 11034 facp1 11117 fac2 11118 fac3 11119 fac4 11120 4bc2eq6 11162 cji 11612 fsumadd 12117 fsumsplitf 12119 fsumsplitsnun 12130 0.999... 12232 fprodmul 12302 fprodsplitf 12343 ef01bndlem 12467 cos2bnd 12471 3dvds2dec 12577 flodddiv4 12647 nn0gcdsq 12922 pythagtriplem16 13002 4sqlem19 13132 dec5nprm 13137 dec2nprm 13138 numexp2x 13148 decsplit 13152 karatsuba 13153 2exp5 13155 2exp11 13159 2exp16 13160 ballotfilem2 13172 ballotfilemfval0 13179 ballotfilemth 13225 ecqusaddd 13991 isrhm 14403 cnmpt2res 15288 txmetcnp 15509 dveflem 15717 efhalfpi 15790 efipi 15792 sin2pi 15794 ef2pi 15796 sincosq3sgn 15819 sincosq4sgn 15820 sinq34lt0t 15822 sincos4thpi 15831 tan4thpi 15832 sincos6thpi 15833 sincos3rdpi 15834 pigt3 15835 1sgm2ppw 15989 lgsdi 16036 lgsquadlem1 16076 2lgsoddprmlem3c 16108 2lgsoddprmlem3d 16109 ex-exp 16621 ex-fac 16622 ex-bc 16623 |
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