| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6037 | . 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 6028 |
| 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 2213 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-rex 2517 df-v 2805 df-un 3205 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-iota 5293 df-fv 5341 df-ov 6031 |
| This theorem is referenced by: oveq123i 6042 1lt2nq 7686 halfnqq 7690 caucvgprprlemnbj 7973 caucvgprprlemaddq 7988 m1p1sr 8040 m1m1sr 8041 axi2m1 8155 negdii 8522 3t3e9 9360 8th4div3 9422 halfpm6th 9423 numma 9715 decmul10add 9740 4t3lem 9768 9t11e99 9801 halfthird 9814 5recm6rec 9815 fz0to3un2pr 10420 sqdivapi 10948 sq4e2t8 10962 i4 10967 binom2i 10973 facp1 11055 fac2 11056 fac3 11057 fac4 11058 4bc2eq6 11099 cji 11542 fsumadd 12047 fsumsplitf 12049 fsumsplitsnun 12060 0.999... 12162 fprodmul 12232 fprodsplitf 12273 ef01bndlem 12397 cos2bnd 12401 3dvds2dec 12507 flodddiv4 12577 nn0gcdsq 12852 pythagtriplem16 12932 4sqlem19 13062 dec5nprm 13067 dec2nprm 13068 numexp2x 13078 decsplit 13082 karatsuba 13083 2exp5 13085 2exp11 13089 2exp16 13090 ecqusaddd 13905 isrhm 14253 cnmpt2res 15108 txmetcnp 15329 dveflem 15537 efhalfpi 15610 efipi 15612 sin2pi 15614 ef2pi 15616 sincosq3sgn 15639 sincosq4sgn 15640 sinq34lt0t 15642 sincos4thpi 15651 tan4thpi 15652 sincos6thpi 15653 sincos3rdpi 15654 pigt3 15655 1sgm2ppw 15809 lgsdi 15856 lgsquadlem1 15896 2lgsoddprmlem3c 15928 2lgsoddprmlem3d 15929 ex-exp 16441 ex-fac 16442 ex-bc 16443 |
| Copyright terms: Public domain | W3C validator |