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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ineleq | Structured version Visualization version Unicode version | ||
| Description: Lemma for inecmo 34120. (Contributed by Peter Mazsa, 29-May-2018.) |
| Ref | Expression |
|---|---|
| ineleq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | orcom 402 |
. . . . 5
| |
| 2 | df-or 385 |
. . . . 5
| |
| 3 | neq0 3930 |
. . . . . . . 8
| |
| 4 | elin 3796 |
. . . . . . . . 9
| |
| 5 | 4 | exbii 1774 |
. . . . . . . 8
|
| 6 | 3, 5 | bitri 264 |
. . . . . . 7
|
| 7 | 6 | imbi1i 339 |
. . . . . 6
|
| 8 | 19.23v 1902 |
. . . . . 6
| |
| 9 | 7, 8 | bitr4i 267 |
. . . . 5
|
| 10 | 1, 2, 9 | 3bitri 286 |
. . . 4
|
| 11 | 10 | ralbii 2980 |
. . 3
|
| 12 | ralcom4 3224 |
. . 3
| |
| 13 | 11, 12 | bitri 264 |
. 2
|
| 14 | 13 | ralbii 2980 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
| This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-v 3202 df-dif 3577 df-in 3581 df-nul 3916 |
| This theorem is referenced by: inecmo 34120 |
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