| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > mulridi | GIF version | ||
| Description: Identity law for multiplication. (Contributed by NM, 14-Feb-1995.) |
| Ref | Expression |
|---|---|
| axi.1 | ⊢ 𝐴 ∈ ℂ |
| Ref | Expression |
|---|---|
| mulridi | ⊢ (𝐴 · 1) = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | mulrid 8181 | . 2 ⊢ (𝐴 ∈ ℂ → (𝐴 · 1) = 𝐴) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝐴 · 1) = 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 ∈ wcel 2201 (class class class)co 6023 ℂcc 8035 1c1 8038 · cmul 8042 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2212 ax-resscn 8129 ax-1cn 8130 ax-icn 8132 ax-addcl 8133 ax-mulcl 8135 ax-mulcom 8138 ax-mulass 8140 ax-distr 8141 ax-1rid 8144 ax-cnre 8148 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-v 2803 df-un 3203 df-in 3205 df-ss 3212 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-br 4090 df-iota 5288 df-fv 5336 df-ov 6026 |
| This theorem is referenced by: rimul 8770 muleqadd 8853 1t1e1 9301 2t1e2 9302 3t1e3 9304 halfpm6th 9369 iap0 9372 9p1e10 9618 numltc 9641 numsucc 9655 dec10p 9658 numadd 9662 numaddc 9663 11multnc 9683 4t3lem 9712 5t2e10 9715 9t11e99 9745 rei 11482 imi 11483 cji 11485 0.999... 12105 efival 12316 ef01bndlem 12340 5ndvds6 12519 3lcm2e6 12755 decsplit0b 13022 2exp8 13031 dveflem 15479 efhalfpi 15552 |
| Copyright terms: Public domain | W3C validator |