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Mirrors > Home > MPE Home > Th. List > neeqtrri | Structured version Visualization version GIF version |
Description: Substitution of equal classes into an inequality. (Contributed by NM, 4-Jul-2012.) |
Ref | Expression |
---|---|
neeqtrr.1 | ⊢ 𝐴 ≠ 𝐵 |
neeqtrr.2 | ⊢ 𝐶 = 𝐵 |
Ref | Expression |
---|---|
neeqtrri | ⊢ 𝐴 ≠ 𝐶 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | neeqtrr.1 | . 2 ⊢ 𝐴 ≠ 𝐵 | |
2 | neeqtrr.2 | . . 3 ⊢ 𝐶 = 𝐵 | |
3 | 2 | eqcomi 2807 | . 2 ⊢ 𝐵 = 𝐶 |
4 | 1, 3 | neeqtri 3059 | 1 ⊢ 𝐴 ≠ 𝐶 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ≠ wne 2987 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-9 2121 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-cleq 2791 df-ne 2988 |
This theorem is referenced by: 1one2o 8252 cflim2 9674 pnfnemnf 10685 resslem 16549 basendxnplusgndx 16600 plusgndxnmulrndx 16609 basendxnmulrndx 16610 slotsbhcdif 16685 symgvalstruct 18517 rmodislmod 19695 cnfldfun 20103 xrsnsgrp 20127 zlmlem 20210 matvsca 21021 tnglem 23246 setsvtx 26828 resvlem 30955 limsucncmpi 33906 sn-1ne2 39466 mnringbased 40923 mnringaddgd 40928 mnringscad 40932 mnringvscad 40933 |
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