| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > mullidi | GIF version | ||
| Description: Identity law for multiplication. (Contributed by NM, 14-Feb-1995.) |
| Ref | Expression |
|---|---|
| axi.1 | ⊢ 𝐴 ∈ ℂ |
| Ref | Expression |
|---|---|
| mullidi | ⊢ (1 · 𝐴) = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axi.1 | . 2 ⊢ 𝐴 ∈ ℂ | |
| 2 | mullid 8177 | . 2 ⊢ (𝐴 ∈ ℂ → (1 · 𝐴) = 𝐴) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ (1 · 𝐴) = 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 ∈ wcel 2202 (class class class)co 6018 ℂcc 8030 1c1 8033 · cmul 8037 |
| 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 2213 ax-resscn 8124 ax-1cn 8125 ax-icn 8127 ax-addcl 8128 ax-mulcl 8130 ax-mulcom 8133 ax-mulass 8135 ax-distr 8136 ax-1rid 8139 ax-cnre 8143 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-iota 5286 df-fv 5334 df-ov 6021 |
| This theorem is referenced by: halfpm6th 9364 div4p1lem1div2 9398 3halfnz 9577 sq10 10975 fac2 10994 efival 12298 ef01bndlem 12322 3dvdsdec 12431 3dvds2dec 12432 odd2np1lem 12438 m1expo 12466 m1exp1 12467 nno 12472 dec5nprm 12992 2exp8 13013 sin2pim 15543 cos2pim 15544 sincosq3sgn 15558 sincosq4sgn 15559 cosq23lt0 15563 tangtx 15568 sincosq1eq 15569 sincos4thpi 15570 sincos6thpi 15572 abssinper 15576 cosq34lt1 15580 lgsdir2lem1 15763 lgsdir2lem4 15766 lgsdir2lem5 15767 2lgsoddprmlem3c 15844 ex-fl 16343 |
| Copyright terms: Public domain | W3C validator |