| 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 6084 | . 2 ⊢ ((𝐴 = 𝐵 ∧ 𝐶 = 𝐷) → (𝐴𝐹𝐶) = (𝐵𝐹𝐷)) | |
| 4 | 1, 2, 3 | mp2an 430 | 1 ⊢ (𝐴𝐹𝐶) = (𝐵𝐹𝐷) |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1402 (class class class)co 6075 |
| 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-v 2823 df-un 3224 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-iota 5332 df-fv 5380 df-ov 6078 |
| This theorem is referenced by: oveq123i 6089 1lt2nq 7763 halfnqq 7767 caucvgprprlemnbj 8050 caucvgprprlemaddq 8065 m1p1sr 8117 m1m1sr 8118 axi2m1 8232 negdii 8600 3t3e9 9441 8th4div3 9503 halfpm6th 9504 numma 9799 decmul10add 9824 4t3lem 9852 9t11e99 9885 halfthird 9898 5recm6rec 9899 fz0to3un2pr 10508 sqdivapi 11038 sq4e2t8 11052 i4 11057 binom2i 11063 facp1 11146 fac2 11147 fac3 11148 fac4 11149 4bc2eq6 11191 cji 11646 fsumadd 12151 fsumsplitf 12153 fsumsplitsnun 12164 0.999... 12266 fprodmul 12336 fprodsplitf 12377 ef01bndlem 12501 cos2bnd 12505 3dvds2dec 12611 flodddiv4 12681 nn0gcdsq 12956 pythagtriplem16 13036 4sqlem19 13166 dec5nprm 13171 dec2nprm 13172 numexp2x 13182 decsplit 13186 karatsuba 13187 2exp5 13189 2exp11 13193 2exp16 13194 ballotfilem2 13206 ballotfilemfval0 13213 ballotfilemth 13259 ecqusaddd 14018 gsummptfidmadd 14138 isrhm 14438 cnmpt2res 15321 txmetcnp 15542 dveflem 15750 efhalfpi 15823 efipi 15825 sin2pi 15827 ef2pi 15829 sincosq3sgn 15852 sincosq4sgn 15853 sinq34lt0t 15855 sincos4thpi 15864 tan4thpi 15865 sincos6thpi 15866 sincos3rdpi 15867 pigt3 15868 1sgm2ppw 16023 lgsdi 16070 lgsquadlem1 16110 2lgsoddprmlem3c 16142 2lgsoddprmlem3d 16143 ex-exp 16655 ex-fac 16656 ex-bc 16657 |
| Copyright terms: Public domain | W3C validator |