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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 2619 | . 2 ⊢ 𝐵 = 𝐶 |
4 | 1, 3 | neeqtri 2854 | 1 ⊢ 𝐴 ≠ 𝐶 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1475 ≠ wne 2780 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-cleq 2603 df-ne 2782 |
This theorem is referenced by: cflim2 8968 pnfnemnf 9973 resslem 15760 slotsbhcdif 15903 xrsnsgrp 19601 zlmlem 19684 matbas 20038 matplusg 20039 matvsca 20041 tnglem 22254 uhgrstrrepe 25745 resvlem 29162 limsucncmpi 31614 plusgndxnmulrndx 41743 basendxnmulrndx 41744 |
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