| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > nzrnz | GIF version | ||
| Description: One and zero are different in a nonzero ring. (Contributed by Stefan O'Rear, 24-Feb-2015.) |
| Ref | Expression |
|---|---|
| isnzr.o | ⊢ 1 = (1r‘𝑅) |
| isnzr.z | ⊢ 0 = (0g‘𝑅) |
| Ref | Expression |
|---|---|
| nzrnz | ⊢ (𝑅 ∈ NzRing → 1 ≠ 0 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isnzr.o | . . 3 ⊢ 1 = (1r‘𝑅) | |
| 2 | isnzr.z | . . 3 ⊢ 0 = (0g‘𝑅) | |
| 3 | 1, 2 | isnzr 14315 | . 2 ⊢ (𝑅 ∈ NzRing ↔ (𝑅 ∈ Ring ∧ 1 ≠ 0 )) |
| 4 | 3 | simprbi 275 | 1 ⊢ (𝑅 ∈ NzRing → 1 ≠ 0 ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2203 ≠ wne 2412 ‘cfv 5351 0gc0g 13458 1rcur 14092 Ringcrg 14129 NzRingcnzr 14313 |
| 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-in1 619 ax-in2 620 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 2214 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-rex 2526 df-rab 2529 df-v 2814 df-un 3214 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-br 4109 df-iota 5311 df-fv 5359 df-nzr 14314 |
| This theorem is referenced by: nzrunit 14322 lringnz 14329 subrgnzr 14376 rrgnz 14403 |
| Copyright terms: Public domain | W3C validator |