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Mirrors > Home > MPE Home > Th. List > eqimss2i | Structured version Visualization version GIF version |
Description: Infer subclass relationship from equality. (Contributed by NM, 7-Jan-2007.) |
Ref | Expression |
---|---|
eqimssi.1 | ⊢ 𝐴 = 𝐵 |
Ref | Expression |
---|---|
eqimss2i | ⊢ 𝐵 ⊆ 𝐴 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssid 3992 | . 2 ⊢ 𝐵 ⊆ 𝐵 | |
2 | eqimssi.1 | . 2 ⊢ 𝐴 = 𝐵 | |
3 | 1, 2 | sseqtrri 4007 | 1 ⊢ 𝐵 ⊆ 𝐴 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1536 ⊆ wss 3939 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2803 df-cleq 2817 df-clel 2896 df-in 3946 df-ss 3955 |
This theorem is referenced by: cotr3 14341 supcvg 15214 prodfclim1 15252 ef0lem 15435 1strbas 16602 restid 16710 cayley 18545 gsumval3 19030 gsumzaddlem 19044 kgencn3 22169 hmeores 22382 opnfbas 22453 tsmsf1o 22756 ust0 22831 icchmeo 23548 plyeq0lem 24803 ulmdvlem1 24991 basellem7 25667 basellem9 25669 dchrisumlem3 26070 structvtxvallem 26808 struct2griedg 26816 cycpmfvlem 30758 cycpmfv3 30761 ivthALT 33687 aomclem4 39663 hashnzfzclim 40660 binomcxplemrat 40688 climsuselem1 41894 gsumfsupp 44096 |
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