Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > spsbimvOLD | Structured version Visualization version GIF version |
Description: Obsolete version of spsbim 2077 as of 6-Jul-2023. Specialization of implication. Version of spsbim 2077 with a disjoint variable condition, not requiring ax-13 2390. (Contributed by Wolf Lammen, 19-Jan-2023.) (New usage is discouraged.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
spsbimvOLD | ⊢ (∀𝑥(𝜑 → 𝜓) → ([𝑦 / 𝑥]𝜑 → [𝑦 / 𝑥]𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfa1 2155 | . 2 ⊢ Ⅎ𝑥∀𝑥(𝜑 → 𝜓) | |
2 | sp 2182 | . 2 ⊢ (∀𝑥(𝜑 → 𝜓) → (𝜑 → 𝜓)) | |
3 | 1, 2 | sbimd 2245 | 1 ⊢ (∀𝑥(𝜑 → 𝜓) → ([𝑦 / 𝑥]𝜑 → [𝑦 / 𝑥]𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∀wal 1535 [wsb 2069 |
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-10 2145 ax-12 2177 |
This theorem depends on definitions: df-bi 209 df-or 844 df-ex 1781 df-nf 1785 df-sb 2070 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |