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Mirrors > Home > MPE Home > Th. List > Mathboxes > mndoismgmOLD | Structured version Visualization version GIF version |
Description: Obsolete version of mndmgm 17762 as of 3-Feb-2020. A monoid is a magma. (Contributed by FL, 2-Nov-2009.) (New usage is discouraged.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
mndoismgmOLD | ⊢ (𝐺 ∈ MndOp → 𝐺 ∈ Magma) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mndoissmgrpOLD 34588 | . 2 ⊢ (𝐺 ∈ MndOp → 𝐺 ∈ SemiGrp) | |
2 | smgrpismgmOLD 34582 | . 2 ⊢ (𝐺 ∈ SemiGrp → 𝐺 ∈ Magma) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝐺 ∈ MndOp → 𝐺 ∈ Magma) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2050 Magmacmagm 34568 SemiGrpcsem 34580 MndOpcmndo 34586 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1758 ax-4 1772 ax-5 1869 ax-6 1928 ax-7 1965 ax-8 2052 ax-9 2059 ax-10 2079 ax-11 2093 ax-12 2106 ax-ext 2744 |
This theorem depends on definitions: df-bi 199 df-an 388 df-or 834 df-tru 1510 df-ex 1743 df-nf 1747 df-sb 2016 df-clab 2753 df-cleq 2765 df-clel 2840 df-nfc 2912 df-v 3411 df-in 3830 df-sgrOLD 34581 df-mndo 34587 |
This theorem is referenced by: mndomgmid 34591 rngo1cl 34659 isdrngo2 34678 |
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