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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-sngltagi | Structured version Visualization version GIF version |
Description: The singletonization is included in the tagging. (Contributed by BJ, 6-Oct-2018.) |
Ref | Expression |
---|---|
bj-sngltagi | ⊢ (𝐴 ∈ sngl 𝐵 → 𝐴 ∈ tag 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-snglsstag 34295 | . 2 ⊢ sngl 𝐵 ⊆ tag 𝐵 | |
2 | 1 | sseli 3965 | 1 ⊢ (𝐴 ∈ sngl 𝐵 → 𝐴 ∈ tag 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2114 sngl bj-csngl 34279 tag bj-ctag 34288 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-v 3498 df-un 3943 df-in 3945 df-ss 3954 df-bj-tag 34289 |
This theorem is referenced by: bj-sngltag 34297 bj-tagci 34298 |
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